https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=se%2Cphr%3A%22Fundamentals%20of%20educational%20planning%3B%2010%22&sort_by=title_az&format=rss 2 0 50 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=2863 By Hallak, Jacques,.
París : UNESCO, International Institute for Educational Planning, 1969 .
69 p.

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]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=2863 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=131948 By Hallak, J..
Paris : | Geneva : UNESCO; | International Institute for Educational Planning, 1969 .
69 p.;

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