Advances in instructional psychology / 
ed. Robert Glaser. 
 - Hillsdale [E.U.A.] :  Lawrence Erlbaum Association,  1978. 
 - v. 
<br/><br/><label>ISBN: </label>0470265191 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Psicopedagogía