https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Variaciones%20%3B%22&sort_by=title_az&format=rss 3 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=17642 By López Guzmán, Bartolomé.
México : UPN, 1999 .
43 p.

]]> Place hold on Educación indígena intercultural para los niños de Xochistlahuaca, Guerrero /

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169 p. 9707020342

]]> Place hold on No teman callar :

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México : UPN, 2001 .
55 p. 9707020393

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