Mukhopadhyay, M.. <br/><br/>
Educational Technology: Challenging Issues /  

 - 1st ed /  
 - New Delhi-16 :   Sterling Publishers Pvt. Ltd. ,   1972 
 - p.226,x :  
<br/><br/><label>ISBN: </label>81-207-1087-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Technology
<br/><br/><label>Dewey Class. No.: </label>T:3(F)  / N0