Sandiford, Peter,  1882-, <br/><br/>
Educational psychology :  an objetive study / 
by Peter Sandiford 
 - 394 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psicopedagogía
<br/><br/><label>LC Class. No.: </label>LB1051  / S35