Kothari, C.R. An Introduction to Operational research [Book /] C.R.Kothari,. - New Delhi : Vikas publishing house pvt ltd, 2004. - 522P. : illus. ; 18 cm. - Management series Pan piper . Includes bibliographical references. All Ages. ISBN: 0330028642 0706985672 LCCN: 72189822 Nat. Bib. No.: B71-25278 Subjects--Topical Terms: Operations research. LC Class. No.: HD20.5 / .W5 Dewey Class. No.: 658.4034