https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221997%20%282010%20impr.%29.%22&sort_by=title_az&format=rss 2 0 50 ISBN:9688531510 | 9789688531518 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51931 ]]> By Branden, Nathaniel,.
México : Paidós, 1997 .
255 p. 9688531510 | 9789688531518

]]> Place hold on El respeto hacia uno mismo :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=51931 ISBN:9789681668808 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=171466 ]]> By Rodríguez Arnaiz, Rosario.
México : FCE : | SEP, 1997 .
95 p. : 9789681668808

]]> Place hold on Las toxinas ambientales y sus efectos genéticos /

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