Yadav, D.S.  . <br/><br/>
Educational technology /  
by D.S. Yadav and K.N. Shastri. 
 - Delhi :   Neha Publishers & Distributors ,   2007 
 - 282p :  
<br/><br/><label>ISBN: </label>978-81-904845-6-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>T:(F)  / P7;11