Gupta, P.K. Operations research - Thirteenth Edition - New Delhi Sultan Chand 2007 - 1006 p ISBN: 9788180545351 Subjects--Topical Terms: Management LC Class. No.: 658.4034 SWA 2007 Dewey Class. No.: 658.4034 SWA 2007 National Library of Medicine Call No.: 658.4034 SWA 2007