Dash, B. C. <br/><br/>
A textbook of educational technology / 
Dash, B. C. 
 - New Delhi:  Wisdom Press,  2011. 
 - 285p.;22cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789380199412 
<br/><br/><label>Dewey Class. No.: </label>371.33 DAS