Gupta, Pik <br/><br/>
Operational research 

 - 7th ed. 
 - New Delhi  S Chand and company  2019 
 - xii, 1498p.;  ill.; 23cm 
<br/><br/> Includes appendixes and index 
<br/><br/><label>ISBN: </label>9788121902816 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operation research
<br/><br/><label>LC Class. No.: </label>T57.6.A2.G86 2019