Cohen, S. S. <br/><br/>
Operational research / 
S.S. Cohen. 
 - London :  E. Arnold,  1985. 
 - vii, 245 p. 
<br/><br/><label>ISBN: </label>071313528X (pbk.) ; 0713136634 (ELBS)  8.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.