Swarup, Kanti Operations research / Kanti Swarup, P. K. Gupta, and Man Mohan - 20th ed. - New Delhi : Sultan Chand & Sons, 2022. - xix, 1156 p. : pbk ; 24 cm ISBN: 9789351611837 Subjects--Topical Terms: Operations Research. Dewey Class. No.: 658.4034 / SWA