Marsh, Herbert W. <br/><br/>
Influences of internal and external frames of reference on the formation of math and englih self-concepts 

 - 107-116 
 - 1990 Vol. 82, no. 1, mar. 
 = JOURNAL OF EDUCATIONAL PSYCHOLOGY 
<br/><br/><label>Encabezamiento--Término de Indización: </label>ASESORIA EDUCATIVA INGLES (LENGUA) MATEMATICA PSICOLOGIA SOCIAL