Tulsian P C <br/><br/>
Quantitatives techniques : Thoery and problems 
Tulsian P C; Pandey Vishal 
 - Delhi  Delhi, Pearson Education  2002 
 - 12.18 
<br/><br/><label>ISBN: </label>81-7808-588-7 
<br/><br/><label>Source: </label>Textbook