TY - BOOK AU - Brunswic,Etienne AU - Valérien,Jean TI - Multigrade schools: improving access in rural Africa? SN - 9280312421 AV - LB1029 C5.3 B7.5 PY - 2004/// CY - Paris PB - UNESCO, International Institute for Educational Planning KW - COMBINACION DE GRADOS KW - Grupos multigrado ER -