Social disadvantage and academic achievement; a resourse document/ Amar Kumar Singh.

Singh, Amar Kumar

Social disadvantage and academic achievement; a resourse document/ Amar Kumar Singh. - Paris : UNESCO; New York : UNICEF; Rome : WFP, 1980. - 9 p. - Notes, comments...; 35 .

Incluye bibliografía.

362.7 (-77) =20 SIN No.35.