Sampath, K.. <br/><br/>
Introduction to educational technology /  
by K. Sampath, A. Panneerselvam and S. Santhanam. 
 - 2nd rev. 1984 /  
 - New Delhi :   Sterling Publishers Private Limited ,   1984 
 - viii, 282p. :  
<br/><br/><label>ISBN: </label>81-201-0094-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>T:3(F)  / M4;7