https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22Hern%C3%A1ndez%2C%20Ana%20Jes%C3%BAs%22&sort_by=title_az&format=rss 2 0 50 ISBN:8427705816 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=27301 ]]> By Hernández, Ana Jesús.
Madrid : Narcea, 1983 .
351 p. : 8427705816

]]> Place hold on Hacia una concepción integrada de la naturaleza :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=27301 ISBN:842770870X https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=38860 ]]> By Hernández, Ana Jesús..
Madrid : Narcea, 1989 .
176 p. 842770870X

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