Hillier, Frederick S. <br/><br/>
Introduction to operations research / 
Frederick S. Hillier, Gerald J. Lieberman. 
 - 7th ed. 
 - New Delhi :  tata McGraw-Hill,  1980. 
 - xxix, 1214 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070473870 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.