https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22RELACION%20PADRES-PROFESORES%22%29&sort_by=title_az&format=rss 132 0 20 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=97205 By Vargas Ortíz, Judith.
México : J. Vargas Ortíz, 2002 .
161,[14] h. , "Unidad 099"

]]> Place hold on El abandono de preescolares de clase socioeconómica alta :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=97205