Gupta, P K Operations research: for engineering, computer science, commerce & management, economics, statistics, mathematics, CA, ICWA and CS also useful for IAS and other competitive examinations - 7th - New Delhi S Chand & Company Ltd 2022 - 1500 ISBN: 9788121902816 Subjects--Topical Terms: RESEARCH Dewey Class. No.: 003 GUP/OPE