"Mukhopadhyay, M (ed.)" <br/><br/>
Educational technology 

 - New Delhi  Sterling Publishers  1990 
 - 175 p. 
<br/><br/><label>ISBN: </label>8120710878 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>371.33 EDU