https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Bergeron%2C%20Marcel%2C%22&sort_by=title_az&format=rss 4 0 50 ISBN:8471121468 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=14355 ]]> By Bergeron, Marcel,.
Madrid : Morata, 1974 .
116 p. 8471121468

]]> Place hold on El desarrollo psicológico del niño :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=14355 ISBN:8432003220 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49403 ]]> By Bergeron, Marcel,.
Barcelona, Esp. : Planeta, 1978 .
331 p. 8432003220

]]> Place hold on Psicología de la primera infancia /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49403 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49404 By Bergeron, Marcel,.
Barcelona, Esp. : L. Miracle, 1956 .
166 p.

]]> Place hold on Psicología de la primera infancia /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49404 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49881 By Bergeron, Marcel,.
París : Universitaires de France, 1961 .
278 p.

]]> Place hold on Psychologie du premier age :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49881