Williams, H. P. <br/><br/>
Model building in mathematical programming / 
H. Paul Williams. 
 - 4th ed. 
 - Chichester :  John Wiley & Sons,  1999. 
 - 354 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0471997889 (pbk.)  RM300.05 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programming (Mathematics).<br/>Mathematical models.