https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22EGOISMO%22%29&sort_by=title_az&format=rss 6 0 50 ISBN:8432310492 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=112125 ]]> By Sober, Elliot.
Madrid : Siglo XXI, 2000 .
327 p. 8432310492

]]> Place hold on El comportamiento altruista :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=112125 ISBN:8797840046 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=157113 By Tugendhat, Ernst,.
Barcelona, Esp. : Gedisa, 2004 .
189 p. 8797840046

]]> Place hold on Egocentricidad y mística :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=157113 ISBN:9681338766 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=174314 ]]> México : Diana, 2004 .
[31] p. : 9681338766

]]> Place hold on Generosos y egoístas /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=174314 ISBN:9788467512137 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127370 ]]> By Rius, Roser.
Madrid : SM, 2007 .
26 p. : 9788467512137

]]> Place hold on Iván no quiere compartir /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=127370 ISBN:9682312248 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=46406 ]]> By Wickler, Wolfgang.
México : Siglo XXI, 1983 .
335 p. : 9682312248

]]> Place hold on El principio del egoísmo :

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