https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AEducal%2C&sort_by=title_az&format=rss 2 0 50 ISBN:9707412291 (SEP) | 9703506216 (Educal) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=191139 ]]> By Lome Serrano, Emilio Angel.
México : SEP : | Educal, 2004 .
23 p. : 9707412291 (SEP) | 9703506216 (Educal)

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=191139 ISBN:9786074695755 (SEP) | 9786074555646 (Educal) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=171246 ]]> By Fernández, Bernardo,.
México : SEP : | Educal, 2010 .
[29] p. : 9786074695755 (SEP) | 9786074555646 (Educal)

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