https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=Provider%3ACEES%2C&sort_by=title_az&format=rss 2 0 50 ISBN:8488881932 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=82758 ]]> Madrid : Universidad Europea-CEES, 2000 .
166 p. 8488881932

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=82758 ISBN:8488881924 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=151324 ]]> By Martín de Antonio, Raquel.
Madrid : Universidad Europea de Madrid : | CEES, 2000 .
110 p. : 8488881924

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