Das,Bhagwan <br/><br/>
Encyclopaedia of educational techniques and methodology :  
/ Das,Bhagwan 
 - New Dehli  Anmol Publications  2005 
 - 1281-1583 p 
 -  5 .
<br/><br/><label>ISBN: </label>9788126122912 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encylopedia-Educational Techniques and methods
<br/><br/><label>Dewey Class. No.: </label>370  / D2601