https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22Modelos%20econ%C3%B3micos%22%29&sort_by=title_az&format=rss 4 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=139112 Paris : | 1988. UNESCO, .
163 p. ;

]]> Place hold on Analyse systémique des problèmes mondiaux.

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=139112 ISBN:9231018752 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=129617 ]]> París : The UNESCO Press, 1981 .
269 p. : , Incluye bibliografía 9231018752

]]> Place hold on Methods for development planning ; Scenarios, models and micro :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=129617 ISBN:9232022087 https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=129016 ]]> París : UNESCO, 1986 .
272 p. 9232022087

]]> Place hold on Science économique et développement endogène /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=129016 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=131609 The Hague, Holanda : Mouton, | UNESCO, 1968 .
507 p. , Incluye texto en inglés y francés

]]> Place hold on The Social Science: Problems and orientations= Les Sciences Sociales: Problèmes etorientations, Selected Studies /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=131609