Buffa, Elwood S.  1923- <br/><br/>
Essentials of management science/operations research / 
Elwood S. Buffa, James S. Dyer 
 - New York :  John Wiley & Sons,  1978 
 - xiii, 528 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471020036 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research<br/>Management