https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22MATEMATICAS-%22%29%20AND%20%28su%3A%22ESTUDIO%20Y%20ENSE%C3%91ANZA%20ELEMENTAL%20-%22%29%20AND%20%28su%3A%22BELGICA%22%29&sort_by=title_az&format=rss 3 0 50 ISBN:8431620242 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=37284 ]]> Barcelona, Esp. : Vicens - Vives, 1976 .
102 p. : 8431620242

]]> Place hold on Matemáticas 1 :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=37284 ISBN:8431611251 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=37285 ]]> Barcelona, Esp. : Vicens - Vives, 1977 .
2 v. : 8431611251

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=37285 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51185 [Belgica] : Directión Generale de L'Organisatión des Etudes, 1976 .
43 p. , Fotocopia

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