https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Alvarez%20Leefmans%2C%20Francisco%20Javier%22&sort_by=title_az&format=rss 2 0 50 ISBN:9681651243 (10 dígitos) | 9789681651244 (13 dígitos) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=93129 By Fuente Muñiz, Ramón de la,.
México : El Colegio Nacional : | FCE, 1998 .
532 p. 9681651243 (10 dígitos) | 9789681651244 (13 dígitos)

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=93129 ISBN:9686177582 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=40989 ]]> By Alvarez Leefmans, Francisco Javier.
México : CNCA, 1994 .
130 p. 9686177582

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