Philips, Don T. <br/><br/>
Operations research  : principles and practice 

 - New York :   John Wiley,  1986. 
 - xviii,637p.  : ill.   24cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research
<br/><br/><label>LC Class. No.: </label>ECO T57.6.P48