https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Ariel%20social%22&sort_by=title_az&format=rss 2 0 50 ISBN:8434442639 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=115482 ]]> By Delval Merino, Juan A.,.
Madrid : Ariel, 2002 .
302 p. 8434442639

]]> Place hold on La escuela posible :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=115482 ISBN:8434442434 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=104297 ]]> Barcelona, Esp. : Ariel, 2002 .
235 p. 8434442434

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