https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Rivais%2C%20Yak%2C%22&sort_by=title_az&format=rss 3 0 50 ISBN:8480635150 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=141621 ]]> By Rivais, Yak,.
Barcelona, Esp. : Octaedro, 2001 .
102 p. : 8480635150

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=141621 ISBN:9789681667221 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=154246 ]]> By Rivais, Yak,.
México : FCE, 2002 .
68 p. : 9789681667221

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=154246 ISBN:8439286708 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=146304 ]]> By Rivais, Yak,.
Madrid : Gaviota, 2001 .
119 p. : 8439286708

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