https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Valecillo%22&sort_by=title_az&format=rss 2 0 50 ISBN:96842164882 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=208239 By Quesada de Walton, Eneida R..
México, D.F. : Fernández Editores, 1984 .
88 p. : 96842164882

]]> Place hold on Ciencias naturales 1 /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=208239 ISBN:9684164890 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=208218 ]]> By Quesada de Walton, Eneida R..
México, D.F. : Fernández Editores, 1984 .
143 p. : 9684164890

]]> Place hold on Ciencias naturales 2 /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=208218