Sharma Seema, <br/><br/>
Advanced educational technology 
by Seema Sharma 
 - Delhi  Anmol Publications Pvt. Ltd  2005 
 - 423P. 
<br/><br/><label>ISBN: </label>81-261-2410-5 
<br/><br/><label>Dewey Class. No.: </label>T:(F)  / P5