00342nam a2200109Ia 4500008004100000020001500041040002900056050002300085100003600108245006400144260002400208221216s9999||||xx |||||||||||||| ||und||  a9280310852  cChuka University Library  aLC 212b .R43 1980  aGabriel Carron and Ta Ngoc Chau 0a1.Educational equalization 2.Education-Regional disparities  aUNESCObParisc1980