Educational technology:  : challenging issues 
edited by M. Mukhopadhyay 
 - New Delhi:  Sterling,  1990. 
 - x, 225p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>371.3  / EDU