Aggarwal, S.L. (et al...) <br/><br/>
Quantitative techniques 

 - 8th ed. 
 - Ludhiana  Kalyani Publisher  2009 
 - v.p. p. 
<br/><br/><label>ISBN: </label>9788127256626 
<br/><br/><label>Dewey Class. No.: </label>001.4 Ag15Q