https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Chatelet%2C%20Albert%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126 By Chatelet, Albert.
Buenos Aires : Kapelusz, 1971 .
452 p. :

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=31436 By Piaget, Jean,.
París : Cahiers de Pédagogie Moderne, 1957 .
77 p. :

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