http://git.utn.ac.cr/root/planificacion_gestion_academica_carreras/commit/8f474bc9c94da543d751fe15ea7bd134d411b270
http://git.utn.ac.cr/root/planificacion_gestion_academica_carreras/commit/badf4873e83df44c24131c15137eed67c861d113
http://git.utn.ac.cr/root/planificacion_gestion_academica_carreras/commit/4cddd11549f9a4ef4ae582d9df37a7a4d8839495