https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Elmore%2C%20Richard%20F.%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN:9685710139 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=177114 ]]> By Elmore, Richard F.,.
México : SEP, 2003 .
46 p. 9685710139

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=177114 ISBN:9681646622 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=50990 ]]> México : FCE, 1996 .
358 p. 9681646622

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