Brunswic, Etienne, 1927- Multigrade schools : improving access in rural Africa? / Etienne Brunswic, Jean Valérien. - Paris : UNESCO, International Institute for Educational Planning, 2004. - 120 p. : tablas - Fundamentals of educational planning ; 76 . ISBN: 9280312421 Encabezamiento--Tema: COMBINACION DE GRADOSGrupos multigrado