Psacharopoulos, George
Achievement evaluation of Colombia's Escuela Nueva : is multigrade the answer? by George Psacharopoulos, Carlos Rojas and Eduardo Velez - Washington, D.C. IBRD 1992 - 21p. - Working Papers WPS 896 .
Education, Rural - Colombia
P42x861 P959
Achievement evaluation of Colombia's Escuela Nueva : is multigrade the answer? by George Psacharopoulos, Carlos Rojas and Eduardo Velez - Washington, D.C. IBRD 1992 - 21p. - Working Papers WPS 896 .
Education, Rural - Colombia
P42x861 P959
