Educational technology 
edited by N. Venkataiah 
 - New Delhi  APH Publishing Corporation  1996 
 - xx ,234p.;  24cm. 
<br/><br/><label>ISBN: </label>8170247233 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Technology<br/>Instructional Technology<br/>Teaching--Aids and Devices
<br/><br/><label>Dewey Class. No.: </label>371.3028  /  VEN