Bhattacharya, S. K. <br/><br/>
Educational technology 

 - Chandigarh  Abhishek Publications  2006 
 - 320 
<br/><br/><label>ISBN: </label>81 8247 134 6 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.394