https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Engel%2C%20Anna%20M.%2C%22&sort_by=title_az&format=rss 3 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=193764 By Coll Salvador, César | Engel, Anna M. | Niño, Shalamy.

]]> Place hold on La actividad de los participantes como fuente de información para promover la colaboración :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=193764 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=176387 By Coll Salvador, César | Engel, Anna M | Saz, Alexandra | Bustos Sánchez, Alfonso.
Abingdon, Reino Unido .
775-801

]]> Place hold on Los entornos personales de aprendizaje en la educación superior :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=176387 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=91034 By Mackie, Romaine P..
Washington : Department of Health, Education and Welfare, 1960 .
97 p. :

]]> Place hold on Teachers of children who area mentally retarded :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=91034