https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Apoyo%20did%C3%A1ctico%20%3B%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=212533 México : Santillana, 1990 .
23 páginas

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=212533 ISBN:9703226752 (UNAM) | 9707225807 (Plaza y Valdés) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=142745 ]]> By Campos Covarrubias, Guillermo.
México : UNAM : | Plaza y Valdés, 2004 .
19 p. 9703226752 (UNAM) | 9707225807 (Plaza y Valdés)

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