Aggrawal, J C <br/><br/>
Shaikshik takniki (Hindi) 

 - 3rd 
 - Agra  Vinod Pustak Mandir  2006 
 - 424 
<br/><br/><label>ISBN: </label>81-7457-066-7 
<br/><br/><label>Dewey Class. No.: </label>371.3078 A