Bhatt, B. D. and Sharma, S. R. <br/><br/>
Educational technology  concept and technique 

 - Delhi  Kanishka Publishing  1992 
 - 384p. 
<br/><br/><label>ISBN: </label>8185475520  400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / BHA