https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=ti%2Cphr%3A%28%22Mundo%20cient%C3%ADfico%22%29&sort_by=title_az&format=rss 2 0 50 ISBN:9682326567 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=187423 ]]> By Labastida, Jaime,.
México : Siglo XXI, 2006 .
[44] p. : 9682326567

]]> Place hold on Humboldt, ciudadano del mundo, cientifico universal /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=187423 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=60763 Barcelona : RBA Revistas, 1981

]]> Place hold on Mundo científico

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=60763