Gupta M P <br/><br/>
Quantitative techniques for decision making 
Gupta M P; Khanna R B 
 - 2 
 - New Delhi  New Delhi, Prentice Hall of India  2006 
 - 591p 
<br/><br/><label>ISBN: </label>81-203-2956-2 
<br/><br/><label>Source: </label>Textbook