Cohen, Herbert G. <br/><br/>
Two teaching strategies : their effectiveness with students of varying cognitive abilities 

 - 126-132 
 - 1992 92, no. 3 
 = SCHOOL SCIENCE AND MATHEMATICS 
<br/><br/><label>Encabezamiento--Término de Indización: </label>DESARROLLO COGNOSCITIVO INSTRUCCION CIENTIFICA MATERIALES MANIPULABLES MEDICION COGNITIVA METODOS DE ENSEÑANZA TEORIA PIAGETIANA