Goel and Goel <br/><br/>
Taxmann's Mathematics and statistics 

 - New Delhi  Taxmann allied services ( P) ltd.  2008 
 - 371p. 
<br/><br/><label>ISBN: </label>978-81-8478-097-0 
<br/><br/><label>Dewey Class. No.: </label>339   Mit.P8