https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Elena%20Romero%2C%20Horacio%2C%22&sort_by=title_az&format=rss 2 0 50 ISBN:9788421635698 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=154027 ]]> By Doumerc, Beatriz,.
Madrid : Bruño, 1998 .
17, [7] p. : 9788421635698

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=154027 ISBN:848980477X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=177466 ]]> By Elena Romero, Horacio,.
Salamanca, Esp. : Lóguez, 2004 .
23 p. : 848980477X

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