Kumar, K. L. <br/><br/>
Educational technology : a practical textbook for students, teachers, professionals and trainers  / 
Kumar, K. L. 
 - 2nd rev ed. 
 - Guwahati:  New Age International,  2012. 
 - xix, 345p.;24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788122421583 
<br/><br/><label>Dewey Class. No.: </label>371.33 KUM