Collection Documents on educational research = Documents de recherche pédagogique
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Cesar Birzea, Éditeur scientifique | Paris : UNESCO | Documents on educational research = Documents de recherche pédagogique | 1973The present volume is intended as a folow-up to this regional survey of 1969. It is limited both spatially and temporally, in that it covers only a certain number of countries and research unites, and deals with their projects only for a specifi[...]
