Media type: Serial; Monograph Series Title: Documents on educational research Corporation: Institute for Education imprint: Hamburg: Unesco Inst. for Education, 19XX- Language: Not determined Keywords: Monografische Reihe Origination: Footnote:
Bîrzea, César [Author] ; Bîrzea, César [Adapter] 3: Educational research in five European socialist countries a survey 1970 - 1972 Bulgaria, Hungary, Poland, Romania, Yugoslavia = Recherche pedagogique dans cinq pays socialistes Europeens Cesar Birzea Hamburg: Unesco Inst. for Education, 19XX-