https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Gonz%C3%A1lez%20Villarreal%2C%20Roberto%2C%22%20and%20au%3AUniversidad%20Pedag%C3%B3gica%20Nacional%20%20M%C3%A9xico%20&sort_by=title_az&format=rss 3 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=47635 México : UPN, 1990 .
11 p. , Fotocopia

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=47635 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=54607 [México] : UPN, 1990 .
13 p. , "Academia de Administración Educativa" | Fotocopia

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16 p. , "Academia de Administración Educativa. Licenciatura en Administración Educativa. Cuarto semestre (Plan 90)" | Fotocopia

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