https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%221a.%20Serie.%22&sort_by=title_az&format=rss 6 0 50 ISBN:8430727885 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=11618 By Updegraff, Imelda.
Barcelona, Esp. : Teide, 1980 .
24 p. : 8430727885

]]> Place hold on Continentes y climas /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=11618 ISBN:9686599541 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=155565 ]]> By Rousseau, Jean-Jacques,.
México : Valle de Mexico : | Gernika, 1997 .
198 p. 9686599541

]]> Place hold on El contrato social /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=155565 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=115184 By Hobbes, Thomas,.
México : Valle de México : | Gernika, 1997 .
2 v.

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=115184 ISBN:9686599290 (Tomo I) | 9686599363 (Tomo II y III) https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=109974 ]]> By Hume, David,.
México : Valle de México : | Gernika, 1992 .
2 v. 9686599290 (Tomo I) | 9686599363 (Tomo II y III)

]]> Place hold on Tratado de la naturaleza humana /

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