https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Herrera%2C%20Horacio%22&sort_by=title_az&format=rss 2 0 50 ISBN:9586650405 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=95695 ]]> By Alvarez Maya, María Eugenia.
Bogotá : Fundación Social : | Siglo del Hombre, 2001 .
180 p. : 9586650405

]]> Place hold on El desafío de la pobreza /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=95695 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=40026 By Herrera, Horacio.
[México] : IPGH, 1946 .
160 p., [116] h. de láms. :

]]> Place hold on Monografía del Río Hondo, Quintana Roo, E. U. Mexicanos /

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