https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221989%20%282005%20impr.%29.%22&sort_by=title_az&format=rss 2 0 50 ISBN:9681631420 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=121777 ]]> By Bobbio, Norberto,.
México : FCE, 1989 .
243 p. 9681631420

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=121777 ISBN:9684112920 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=147949 ]]> By Pitol, Sergio,.
México : Era, 1989 .
125 p. 9684112920

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