00620nam a22001937a 450000500170000001000150001702000230003203500140005503700130006908200080008210000210009024501520011126000410026327000380030430000330034250000190037570000130039470000190040720170322155803.0  aENG-117568  a8121941008c495.00  aEN-101100  bDBAD/PUB  a003  aGupta,Prem Kumar  aIntroduction to operations research :cby Prem Kumar Gupta,D.S.Hira [and] Aarti Kambojbfor students to commerce,management,accountancy economics /  aNew DelhibS.Chand and Companyc2012  a7361,Ram NagarbNew Delhie110055  axii,1195p. :c25cm(pbk)bill  aIncludes index  aD.S.Hira  aKamboj, Aarti