National and school-based development /
Lewy, Arieh, 1923-2006
National and school-based development / Ariech Lewy. - París : UNESCO, 1991. - 125 p. - Fundamentals of educational planning ; 40 .
9280311417
Educación primaria --Planes y programas
National and school-based development / Ariech Lewy. - París : UNESCO, 1991. - 125 p. - Fundamentals of educational planning ; 40 .
9280311417
Educación primaria --Planes y programas