Venkataiah, N  . <br/><br/>
Educational technology /  
by N Venkataiah. 
 - New Delhi :   A P H Publishing Corporation ,   2013 
 - 234p ;  
<br/><br/><label>ISBN: </label>81-7024-723-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>TogF  / Q3;4