Gup, P.K <br/><br/>
Operation Research 

 - 7th rev 
 - New Delhi  S.Chand  2019 
 - xii,1498p. 
<br/><br/><label>ISBN: </label> Rs.675.00 
<br/><br/><label>Dewey Class. No.: </label>003 GUP, P. K.