Das,R.C <br/><br/>
Educational Technology:A Base Text 

 - New Delhi:  Sterling pub,  1993. 
 - ix,242p.;  26cm 
<br/><br/><label>ISBN: </label>8120715055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Premadasa Udagama Collection
<br/><br/><label>Dewey Class. No.: </label>370  / DAS