https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Cervera%2C%20Carmen%2C%22&sort_by=title_az&format=rss 3 0 50 ISBN:9682450411 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=8313 ]]> México : Trillas .
238 p. : 9682450411

]]> Place hold on Civismo 1 :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=8313 ISBN:9682450721 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=8323 ]]> México : Trillas, 1994 .
189 p. : , "Programas actualizados" 9682450721

]]> Place hold on Civismo 2 :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=8323 ISBN:9682448786 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=8333 ]]> México : Trillas, 1993 .
160 p. : 9682448786

]]> Place hold on Civismo uno :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=8333