<?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>2007-0934</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias agrícolas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Cienc. Agríc]]></abbrev-journal-title>
<issn>2007-0934</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-09342023000500014</article-id>
<article-id pub-id-type="doi">10.29312/remexca.v14i5.2999</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Eficiencia técnica y economías de escala de los ingenios azucareros en México]]></article-title>
<article-title xml:lang="en"><![CDATA[Technical efficiency and economies of scale of sugar mills in Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blas-Cortés]]></surname>
<given-names><![CDATA[Jonatan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Omaña-Silvestre]]></surname>
<given-names><![CDATA[José Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivia-Alcala]]></surname>
<given-names><![CDATA[Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval-Romero]]></surname>
<given-names><![CDATA[Fermín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santiago-Zarate]]></surname>
<given-names><![CDATA[Ilich Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivia-Cabral]]></surname>
<given-names><![CDATA[Juanita Japheth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Chapingo  ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Texcoco  ]]></institution>
<addr-line><![CDATA[Texcoco Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<volume>14</volume>
<numero>5</numero>
<fpage>14</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-09342023000500014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-09342023000500014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-09342023000500014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Durante la última década la agroindustria de la caña de azúcar ha mostrado un gran dinamismo al incrementar constantemente la producción de azúcar estándar y garantizar la autosuficiencia de este edulcorante en el país generando incluso excedentes para exportar. No obstante, aún en documentos oficiales se señala que tal agroindustria presenta un marcado atraso tecnológico e ineficiencia. El estudio se llevó a cabo en 2021. Este trabajo tiene dos objetivos: estimar la eficiencia técnica global por ingenio y descomponerla en eficiencia pura y eficiencia de escala, así como determinar el tipo de rendimientos a escala de cada ingenio azucarero. El método utilizado fue el análisis de datos envolventes y la elasticidad de escala. El periodo estudio fue la zafra 2009-2010 y se consideraron 54 ingenios para los que se contó con información desagregada. El principal hallazgo mostró que solo 21 ingenios (38.9%) tuvieron un desempeño óptimo pues operaron con rendimientos constantes a escala. Otros 28 ingenios (51.9%) operaron con rendimientos crecientes a escala y solo cinco ingenios (9.3%) operaron con rendimientos decrecientes a escala. Estos hallazgos fueron confirmados por las magnitudes de la elasticidad de escala de cada grupo de ingenios. La conclusión principal es que hace más de diez años había espacio para que los ingenios que operaban con rendimientos crecientes a escala fueran reestructurados en tamaño y administración de insumos sobre los que tienen control, lo cual habría permitido mejorar su desempeño global al obtener economías de escala y mejorar su eficiencia pura y por lo tanto, para la agroindustria de caña de azúcar como un todo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract During the last decade the sugarcane agroindustry has shown great dynamism by constantly increasing the production of standard sugar and guaranteeing the self-sufficiency of this sweetener in the country, even generating surpluses for export. Nevertheless, even in official documents, it is pointed out that this agroindustry presents a marked technological backwardness and inefficiency. The study was conducted in 2021. This work has two objectives: to estimate the overall technical efficiency by mill and break it down into pure efficiency and scale efficiency, as well as to determine the type of returns to scale of each sugar mill. The method used was the data envelopment analysis and elasticity of scale. The study period was the 2009-2010 harvest, and 54 mills were considered, for which disaggregated information was available. The main finding showed that only 21 mills (38.9%) had an optimal performance as they operated with constant returns to scale. Another 28 mills (51.9%) operated with increasing returns to scale and only five mills (9.3%) operated with decreasing returns to scale. These findings were confirmed by the magnitudes of the elasticity of scale of each group of mills. The main conclusion is that more than ten years ago there was room for mills that operated with increasing returns to scale to be restructured in size and management of inputs over which they have control, which would have allowed improving their overall performance by obtaining economies of scale and improve their pure efficiency and therefore, for the sugarcane agribusiness as a whole.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[agroindustria de la caña de azúcar]]></kwd>
<kwd lng="es"><![CDATA[deseconomías de escala]]></kwd>
<kwd lng="es"><![CDATA[orientación al insumo]]></kwd>
<kwd lng="es"><![CDATA[retornos a escala]]></kwd>
<kwd lng="en"><![CDATA[diseconomies of scale]]></kwd>
<kwd lng="en"><![CDATA[input orientation]]></kwd>
<kwd lng="en"><![CDATA[returns to scale]]></kwd>
<kwd lng="en"><![CDATA[sugarcane agroindustry]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aigner]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Lovell]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Schmidt]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Formulation and estimation of stochastic frontier production function models]]></article-title>
<source><![CDATA[J. Econ.]]></source>
<year>1977</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>21-37</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Banker]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Charnes]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[W. W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Some models for the estimation of technical and scale inefficiencies in data envelopment analysis]]></article-title>
<source><![CDATA[Manage. Sci.]]></source>
<year>1984</year>
<volume>30</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1078-92</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bogetoft]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Benchmarking with DEA and SFA. R package version]]></source>
<year>2020</year>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bröchner]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Measuring the productivity of facilities management]]></article-title>
<source><![CDATA[J. Facil. Manag.]]></source>
<year>2017</year>
<volume>15</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-35</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<collab>CEMA</collab>
<source><![CDATA[Manual azucarero mexicano]]></source>
<year>2017</year>
<page-range>487</page-range><publisher-loc><![CDATA[Ciudad de México ]]></publisher-loc>
<publisher-name><![CDATA[Compañía editora del manual azucarero mexicano]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charnes]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[W. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Lewin]]></surname>
<given-names><![CDATA[A. Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Seiford]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Data envelopment analysis. Theory, methodology, and application]]></source>
<year>1994</year>
<page-range>507</page-range><publisher-loc><![CDATA[New York, NY ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charnes]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cooper]]></surname>
<given-names><![CDATA[W. W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rhodes]]></surname>
<given-names><![CDATA[E. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Measuring the efficiency of decision making units]]></article-title>
<source><![CDATA[Eur. J. Oper. Res.]]></source>
<year>1978</year>
<volume>2</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>429-44</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<collab>CONADESUCA</collab>
<source><![CDATA[6toinforme estadístico del sector agroindustrial de la caña de azúcar en México]]></source>
<year>2017</year>
<publisher-loc><![CDATA[Ciudad de México ]]></publisher-loc>
<publisher-name><![CDATA[Comité Nacional para el Desarrollo Sustentable de la Caña de Azúcar]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<collab>CONADESUCA</collab>
<source><![CDATA[7moinforme estadístico del sector agroindustrial de la caña de azúcar en México]]></source>
<year>2020</year>
<publisher-loc><![CDATA[Ciudad de México, México ]]></publisher-loc>
<publisher-name><![CDATA[Comité Nacional para el Desarrollo sustentable de la Caña de Azúcar (2020)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escobedo]]></surname>
<given-names><![CDATA[O. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdivia]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sandoval]]></surname>
<given-names><![CDATA[R. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[O. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[G. F. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la eficiencia técnica de la agroindustria de la caña de azúcar en México con el análisis envolvente de datos]]></article-title>
<source><![CDATA[Rev. Mex. Econ. Agríc. Rec. Natur.]]></source>
<year>2019</year>
<volume>12</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>77-91</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Farrell]]></surname>
<given-names><![CDATA[M. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Measurement of productive efficiency]]></article-title>
<source><![CDATA[J. R Stat. Soc.]]></source>
<year>1957</year>
<volume>120</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>253-90</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<collab>FIRA</collab>
<source><![CDATA[Panorama agroalimentario. Azúcar]]></source>
<year>2016</year>
<publisher-loc><![CDATA[Morelia, Michoacán, México ]]></publisher-loc>
<publisher-name><![CDATA[Fideicomisos Instituidos en Relación a la Agricultura]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Førsund]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hjalmarsson]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calculating scale elasticity in DEA models]]></article-title>
<source><![CDATA[J. Oper. Res. Soc.]]></source>
<year>2004</year>
<volume>55</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1023-38</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Førsund]]></surname>
<given-names><![CDATA[F. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hjalmarsson]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Krivonozhko]]></surname>
<given-names><![CDATA[V. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Utkin]]></surname>
<given-names><![CDATA[O. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calculation of scale elasticities in DEA models: direct and indirect approaches]]></article-title>
<source><![CDATA[J. Prod. Anal.]]></source>
<year>2007</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>45-56</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hackman]]></surname>
<given-names><![CDATA[S. T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Production economics. Integrating the microeconomic and engineering perspectives]]></source>
<year>2008</year>
<page-range>522</page-range><publisher-loc><![CDATA[Berlin, Germany ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meeusen]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Van-Broeck]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficiency estimations from Cobb-Douglas production functions with composed error]]></article-title>
<source><![CDATA[Inter. Econ. Review.]]></source>
<year>1977</year>
<volume>18</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>435-44</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mulwa]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Emrouznejad]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Murithi]]></surname>
<given-names><![CDATA[F. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of liberation on efficiency and productivity of sugar industry in Kenya]]></article-title>
<source><![CDATA[J. Econ. Studies.]]></source>
<year>2009</year>
<volume>36</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>250-64</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Padilla]]></surname>
<given-names><![CDATA[F. M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Nuthall]]></surname>
<given-names><![CDATA[P. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Technical efficiency in the production of sugar cane in central negros area, philippines: an application of data envelopment analysis]]></article-title>
<source><![CDATA[J. Int. Soc. Southeast Asian Agric. Sci.]]></source>
<year>2009</year>
<volume>15</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>77-90</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rasmussen]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Production economics. The basic theory of production optimization]]></source>
<year>2011</year>
<page-range>287</page-range><publisher-loc><![CDATA[New York, NY. ]]></publisher-loc>
<publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rein]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cane sugar engineering.]]></source>
<year>2007</year>
<page-range>746</page-range><publisher-loc><![CDATA[Berlin, Germany ]]></publisher-loc>
<publisher-name><![CDATA[Verlag Dr. Albert Bartens]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Setyaningrum]]></surname>
<given-names><![CDATA[W F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ekowati]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Kristanto]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The efficiency of sugarcane (Saccharum officinarum) farms using the dea (data envelopment analysis) approach in purworejo regency]]></article-title>
<source><![CDATA[Agrisocionomics]]></source>
<year>2020</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>330-5</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santiago]]></surname>
<given-names><![CDATA[Z. I. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[D. M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuevas]]></surname>
<given-names><![CDATA[A. C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Valdivia]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[H. M. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[T. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Productividad y cambio tecnológico en la agroindustria de la caña de azúcar en México]]></article-title>
<source><![CDATA[Rev. Mex. Cienc. Agríc.]]></source>
<year>2021</year>
<volume>12</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1005-17</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="book">
<collab>SIAP</collab>
<source><![CDATA[Anuario estadístico de la producción agrícola]]></source>
<year>2020</year>
<publisher-name><![CDATA[Servicio de Información Agroalimentaria y Pesquera]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Valdivia]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuevas]]></surname>
<given-names><![CDATA[A. C. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Vázquez]]></surname>
<given-names><![CDATA[M. J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[H. M. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Santiago]]></surname>
<given-names><![CDATA[Z. I. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Garay]]></surname>
<given-names><![CDATA[J. A. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de la eficiencia y retornos de escala de los ingenios azucareros de México]]></article-title>
<source><![CDATA[Rev. Mex. Cienc. Agríc.]]></source>
<year>2022</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>141-53</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Quantitative models for performance evaluation and benchmarking: data envelopment analysis with spreadsheets and DEA Excel solver]]></source>
<year>2003</year>
<page-range>312</page-range><publisher-loc><![CDATA[Boston, USA ]]></publisher-loc>
<publisher-name><![CDATA[Kluwer Academic Publisher]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
