1665-6180 1665-6180 S1665-61802015000200086 Venezuela 00 10 2015 00 10 2015 7 2 86 100

2013 Coursera 2013 Edx 2012 Edx 2015 2013 2007 2008 2006 2012 2012 2013 2010 2012 2014 OER-Commons 2013 ONU 2005 Open University 2012 2004 San Diego, CA 2013 2004 2014 Udacity 2012 UNESCO 2012 2011 2013 2013 II 1 1