Educational technology : challenging issues 
edited by M.Mukhopadhyay 
 - New Delhi  Sterling Publishers  c1990 
 - x,227p.;  22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Technology<br/>Instructional Technology
<br/><br/><label>Dewey Class. No.: </label>371.3028  / MUK