Nadhani, A K <br/><br/>
Simple Tally 9 / 
A K Nadhani 
 - 2nd Ed. 
 - New Delhi:  BPB Publishers,  2008. 
 - 266p 
<br/><br/><label>ISBN: </label>9788183332446 
<br/><br/><label>Dewey Class. No.: </label>657.1  / NAD/S