Buffa, Elwood S.. <br/><br/>
Modern Production/Operations Management /  

 - Seventh Ed. /  
 - New Delhi-2 :   Wiley Eastern Ltd. ,   1989 
 - p681 :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>X:89A  / M4