Tiwari, N K; Shandilya, Shishir K Operations research Tiwari, N K; Shandilya, Shishir K - - Prentice-Hall of India Pvt. Ltd., New Delhi 2006 - 292 p - . ISBN: 812032966X 225 Subjects--Topical Terms: Operations research Dewey Class. No.: R 001.424 TIW