Sampath, K. <br/><br/>
Introduction to educational technology 

 - New Delhi  Sterling Publishers  1987 
 - viii,282 
<br/><br/><label>ISBN: </label>81-207-0098-3 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.3