https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Ferrer%2C%20Eulalio%22&sort_by=title_az&format=rss 2 0 50 ISBN:9681666895 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=94528 ]]> By Ferrer, Eulalio.
México : FCE, 2002 .
318 p. 9681666895

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=94528 ISBN:9682417872 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=49934 ]]> By Ferrer, Eulalio.
México : Trillas, 1985 .
232 p. 9682417872

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