<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2007-7467</journal-id>
<journal-title><![CDATA[RIDE. Revista Iberoamericana para la Investigación y el Desarrollo Educativo]]></journal-title>
<abbrev-journal-title><![CDATA[RIDE. Rev. Iberoam. Investig. Desarro. Educ]]></abbrev-journal-title>
<issn>2007-7467</issn>
<publisher>
<publisher-name><![CDATA[Centro de Estudios e Investigaciones para el Desarrollo Docente A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-74672020000200156</article-id>
<article-id pub-id-type="doi">10.23913/ride.v11i21.797</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tutoriales de Youtube como estrategia de aprendizaje no formal en estudiantes universitarios]]></article-title>
<article-title xml:lang="en"><![CDATA[Youtube tutorials as a non-formal learning strategy for university students]]></article-title>
<article-title xml:lang="pt"><![CDATA[Tutoriais do Youtube como estratégia de aprendizagem não formal para estudantes universitarios]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roque Rodríguez]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle de Atemajac  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>11</volume>
<numero>21</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-74672020000200156&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-74672020000200156&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-74672020000200156&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los videotutoriales de Youtube se han convertido en un recurso necesario para el aprendizaje de los estudiantes. Por ello, el objetivo de este artículo fue conocer y analizar las razones del uso de esos recursos como estrategia de aprendizaje no formal en estudiantes universitarios. Se trata de un estudio mixto secuencial explicativo realizado en dos fases: una cuantitativa y otra cualitativa. Con un muestreo no probabilístico accidental en el que participaron 141 estudiantes, se usó una entrevista grupal para recibir retroalimentación y comentarios. Se realizó un análisis descriptivo a través de las técnicas de contenido y comparación constante. Los resultados demuestran que el 100 % de los estudiantes emplea los videotutoriales de Youtube para una mejor comprensión de un tema (66 %), porque son de fácil acceso y ahorran tiempo (57.4 %), para tener una guía de cómo hacer algo (53.2 %), para obtener diferentes puntos de vista (17.7 %) y por experiencia en Youtube (3.5%). Se concluye, por tanto, que los videotutoriales pueden ser usados para promover el aprendizaje autónomo, así como el pensamiento reflexivo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract YouTube tutorial videos have become a necessary resource for student learning. The objective of this article was to know and analyze the reasons for the use of YouTube tutorials as a non-formal learning strategy in university students. It is a mixed explanatory sequential study carried out in two phases: quantitative and qualitative. With an accidental non-probabilistic sampling in which 141 students participated. A group interview was used to receive feedback and comments. A descriptive analysis and analysis is carried out through content and constant comparison techniques. 100% of the students claimed to use YouTube tutorials: 66% for a better understanding of a topic, 57.4% easy access and time saving, 53.2% have a guide on how to do something, 17.7% get different points of view and 3.5% YouTube experience. It is concluded that YouTube tutorials have become non-formal learning tools and promote reflective thinking.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Os tutoriais em vídeo do Youtube se tornaram um recurso necessário para o aprendizado dos alunos. Portanto, o objetivo deste artigo foi conhecer e analisar os motivos da utilização desses recursos como estratégia de aprendizagem não formal em estudantes universitários. É um estudo explicativo sequencial misto realizado em duas fases: uma quantitativa e outra qualitativa. Com uma amostragem não probabilística acidental na qual 141 alunos participaram, uma entrevista em grupo foi usada para receber feedback e comentários. Realizou-se análise descritiva por meio de técnicas de conteúdo e comparação constante. Os resultados mostram que 100% dos alunos utilizam os vídeos tutoriais do YouTube para entender melhor um tema (66%), por serem de fácil acesso e economizar tempo (57,4%), para ter um guia de como fazer (53,2 %), para obter diferentes pontos de vista (17,7%) e da experiência no YouTube (3,5%). Conclui-se, portanto, que os vídeos tutoriais podem ser utilizados para promover a aprendizagem autônoma, bem como o pensamento reflexivo.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aprendizaje informal]]></kwd>
<kwd lng="es"><![CDATA[aprendizaje visual]]></kwd>
<kwd lng="es"><![CDATA[educación formal]]></kwd>
<kwd lng="es"><![CDATA[educación]]></kwd>
<kwd lng="es"><![CDATA[tecnología de la información]]></kwd>
<kwd lng="en"><![CDATA[education]]></kwd>
<kwd lng="en"><![CDATA[formal education]]></kwd>
<kwd lng="en"><![CDATA[informal learning]]></kwd>
<kwd lng="en"><![CDATA[information technology]]></kwd>
<kwd lng="en"><![CDATA[visual learning]]></kwd>
<kwd lng="pt"><![CDATA[aprendizagem informal]]></kwd>
<kwd lng="pt"><![CDATA[aprendizagem visual]]></kwd>
<kwd lng="pt"><![CDATA[educação formal]]></kwd>
<kwd lng="pt"><![CDATA[educação]]></kwd>
<kwd lng="pt"><![CDATA[tecnologia da informação]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="">
<collab>Asociación de Internet MX</collab>
<source><![CDATA[Estudio sobre los hábitos de los usuarios de internet en México 2018]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bacescu]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Blogging, Vlogging- from entertaimente to education]]></source>
<year>2017</year>
<conf-name><![CDATA[ 13international scientific conference eLearning &amp; Software for Education]]></conf-name>
<conf-date>27 y 28 de mayo de 2017</conf-date>
<conf-loc>Bucharest </conf-loc>
<page-range>369-76</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bauman]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<source><![CDATA[Los retos de la educación en la modernidad líquida]]></source>
<year>2008</year>
<publisher-name><![CDATA[Gedisa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bengochea]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[El papel de los video tutoriales accesibles en el aprendizaje del futuro]]></source>
<year>2013</year>
<conf-name><![CDATA[ VCongreso Internacional ATICA]]></conf-name>
<conf-loc>Huencayo, Perú </conf-loc>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bhatia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interdiscursive performance in digital professions: The case of YouTube tutorials]]></article-title>
<source><![CDATA[Journal of Pragmatics]]></source>
<year>2017</year>
<volume>124</volume>
<page-range>106-20</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Celorio]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[López de Munain]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Diccionario de educación para el desarrollo]]></source>
<year>2007</year>
<publisher-name><![CDATA[Hegoa]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chacón-Ortiz]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[El proceso de evaluación en educación no formal: un camino para su construcción]]></article-title>
<source><![CDATA[Revista Electrónica Educare]]></source>
<year>2015</year>
<volume>19</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>21-35</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Creswell]]></surname>
<given-names><![CDATA[J. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Creswell]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Research design: Qualitative, quantitative and mixed methods approaches]]></source>
<year>2018</year>
<publisher-loc><![CDATA[SAGE publications ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Davidson]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Liebald]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nandy]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Vleet]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[The YouTube Video Recommendation System]]></source>
<year>2010</year>
<conf-name><![CDATA[ RecSys '10: Proceedings of the fourth ACM conference on Recommender systems]]></conf-name>
<conf-loc>New York, NY, USA </conf-loc>
<page-range>293-6</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flalinger]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Owen]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[YouTube as a Learning Tool]]></article-title>
<source><![CDATA[Journal of College Teaching &amp; Learning]]></source>
<year>2009</year>
<volume>6</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>15-28</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gallardo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descripción cuantitativa y cualitativa del espectador de videos en YouTube España]]></article-title>
<source><![CDATA[Communication Papers]]></source>
<year>2013</year>
<volume>2</volume>
<numero>02</numero>
<issue>02</issue>
<page-range>11-22</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gallego]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Murillo]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La práctica docente mediada con tecnologías. YouTube como herramienta de aprendizaje en la educación superior]]></article-title>
<source><![CDATA[Foro Educacional]]></source>
<year>2018</year>
<numero>31</numero>
<issue>31</issue>
<page-range>11-29</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garrett]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mapping Self-Guided Learners Searches for Video Tutorials on YouTube]]></article-title>
<source><![CDATA[Journal of Educational Technology System]]></source>
<year>2016</year>
<volume>44</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>319-31</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdivieso]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Velasco]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Estudiantes universitarios descubren redes sociales y edublog como medio de aprendizaje]]></article-title>
<source><![CDATA[Revista Iberoamericana de Educación a Distancia]]></source>
<year>2020</year>
<volume>23</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-17</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística y Geografía (Inegi)</collab>
<source><![CDATA[Encuesta Nacional sobre Disponibilidad y Uso de Tecnologías de la Información en los Hogares (ENDUTIH)]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="">
<collab>Instituto Nacional de Estadística y Geografía (Inegi)</collab>
<source><![CDATA[Encuesta intercensal 2015]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Julià]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio Anual de Redes Sociales 2018]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lange]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Informal Learning on YouTube.]]></article-title>
<source><![CDATA[The International Encyclopedia of Media Literacy]]></source>
<year>2018</year>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meriam]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tisdell]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Qualitative Research, a gruide to desing and implementation]]></source>
<year>2016</year>
<publisher-name><![CDATA[Jossey-Bass]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<collab>Organización de las Naciones Unidas para la Educación, la Ciencia y la Cultura (Unesco)</collab>
<source><![CDATA[Informe de seguimiento de la educación para todos en el mundo: bases sólidas]]></source>
<year>2007</year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<collab>Organización de las Naciones Unidas para la Educación, la Ciencia y la Cultura (Unesco)</collab>
<source><![CDATA[Educación no formal]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Otzen]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Manterola]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Técnicas de muestreo sobre una población a estudio]]></article-title>
<source><![CDATA[International Journal of Morphology]]></source>
<year>2017</year>
<volume>35</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>227-32</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Prensky]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Digital Natives, Digital Immigrants]]></article-title>
<source><![CDATA[On the Horizont]]></source>
<year>2001</year>
<volume>9</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rabee]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Najim]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sherwani]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmed]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ashraf]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Al-Jibury]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Rabee]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Najim]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Ahmed]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[YouTube in medical education: A student&#8217;s perspective]]></article-title>
<source><![CDATA[Medical Education Online]]></source>
<year>2015</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-2</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Posibilidades del uso educativo del YouTube]]></article-title>
<source><![CDATA[Ra Ximhai]]></source>
<year>2016</year>
<volume>12</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>537-46</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Riquelme]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Youtube tiene 19% del mercado de consumo de video en México]]></article-title>
<source><![CDATA[El Economista]]></source>
<year>2019</year>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodenas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La utilización de los videos tutoriales en educación. Ventajas e inconvenientes. Software gratuito en el mercado]]></article-title>
<source><![CDATA[Revista Digital Sociedad de la Información]]></source>
<year>2012</year>
<numero>33</numero>
<issue>33</issue>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Escurra]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Hábitos de consumo de Facebook y YouTube. Conciencia y estrategias metacognitivas en la lectura y estrategias de aprendizaje y estudio en universitarios]]></article-title>
<source><![CDATA[Persona]]></source>
<year>2013</year>
<numero>16</numero>
<issue>16</issue>
<page-range>29-71</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sato]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The YouTube phenomenon: YouTube stars eliminating stereotypes in new media]]></source>
<year>2012</year>
<publisher-name><![CDATA[Universidad del Sur de California]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<collab>Statista</collab>
<source><![CDATA[YouTube: Frecuencia de uso entre los usuarios España en 2015]]></source>
<year>2015</year>
<publisher-name><![CDATA[Statista]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tafadzwa Maziriri]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gapa]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Chuchu]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Student Perceptions Towards the use of YouTube as An Educational Tool for Learning and Tutorials]]></article-title>
<source><![CDATA[International Journal of Instruction]]></source>
<year>2020</year>
<volume>13</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>119-38</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<collab>Universidad de Guadalajara (UDG)</collab>
<source><![CDATA[Estadística Institucional 2016-2017]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yim]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sturzinger]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Lowrance]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Effects of YouTube Video as Pre-Lecture Preparation]]></source>
<year>2019</year>
<conf-name><![CDATA[ ASEE Annual Conference &amp; Exposition]]></conf-name>
<conf-date>2019</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<collab>Youtube</collab>
<source><![CDATA[Prensa]]></source>
<year>2019</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
