Luis Gaxiola Vega Bogart Yail Márquez José Sergio Magdaleno-Palencia Manuel Castañón-Puga Miguel A. Cadena Alcantar eLearning Virtual Environments Multi-agent Model for Medical Students. 369-372 2011 ICEIS (1) conf/iceis/2011-1 db/conf/iceis/iceis2011-1.html#VegaMMCA11