Kumar, K. L. <br/><br/>
Educational technology  A practical textbook for teachers professionals and trainers 

 - New Delhi  New Age International  1969 
 - xvi,334 
<br/><br/><label>ISBN: </label>81-224-0833-8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.33