Levin Richard I <br/><br/>
Quantitative approaches to management 
Levin Richard I; Rubin D S &others 
 - 6th 
 - New York  New York, United Kingdom , Mc Graw Hill Book co.  1986 
 - 814p 
<br/><br/><label>ISBN: </label>0-07-100541-2 
<br/><br/><label>Source: </label>Textbook