PILLEMER, David B. <br/><br/>
Synthesizing outcomes: how to use research evidence from many studies 

 - 176-195 
 - 1980 Vol. 50, no. 2 may. 
 = HARVARD EDUCATIONAL REVIEW 
<br/><br/><label>Encabezamiento--Término de Indización: </label>ESTADISTICAS EDUCATIVAS INVESTIGACION EDUCATIVA TECNICAS DE INVESTIGACION