https://unillanos.metacatalogo.org/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3AFCE.%20SEP%2C&sort_by=relevance&format=rss 2 0 50 ISBN:9681668863 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=16031 By Berlanga, Ricardo.
México : FCE. SEP, 2003 .
118 páginas : 9681668863

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]]> https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=16031 ISBN:9681669428 https://unillanos.metacatalogo.org/cgi-bin/koha/opac-detail.pl?biblionumber=16043 By Pérez Tamayo, Ruy.
México : FCE, SEP, 2003 .
301 páginas : 9681669428

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