https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=copydate%3A%221990%20%282006%20impr.%29.%22&sort_by=title_az&format=rss 2 0 50 ISBN:9688533416 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=4081 ]]> By Coll, Salvador César.
México : Paidós, 1990 .
206 p. 9688533416

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=4081 ISBN:8421611852 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=126922 ]]> By Fabregat Conesa, Antonio Manuel.
Madrid : Bruño, 1990 .
121 p. : 8421611852

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