Educational technology :  challenging issues / 
edited by M. Mukhopadhyay. 
 - New Delhi :  Sterling Publishers Private Limited,  c1990. 
 - x, 227 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> 	Educational technology.
<br/><br/><label>LC Class. No.: </label>LB1028.3  / .E38 1990