Operations research : Principles and practice 
Ravindran, A. 
 -  John Wiley and Sons.  1987 
 - xviii, 637 pages. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Operations research.
<br/><br/><label>Dewey Class. No.: </label>001.424 P54o 1987