Koshy, John S & Others <br/><br/>
Encyclopadia of educational learning & teching tech: V-1 

 - New Delhi  Dominant  2007 
 - 12,212 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>81-7888-513-1 
<br/><br/><label>Dewey Class. No.: </label>R371.394  / Kos