Psacharopoulos, George <br/><br/>
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 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Rural - Colombia
<br/><br/><label>Dewey Class. No.: </label>P42x861 P959