Urry, Syd <br/><br/>
Introduction to Operational Research/ 

 - London  Longman Scientific &  Technical  1991 
 - ix, 282p.:  ill.; 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>0582013496 
<br/><br/><label>LC Class. No.: </label>T56.7  / Ur7 1991