Rao, V.K.  . <br/><br/>
Educational technology /  
by V.K. Rao. 
 - New Delhi :   A.P.H. Publishing Corporation ,   2004 
 - 407p ;  
<br/><br/><label>ISBN: </label>81-7648-356-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>T:(F)  / P4