00438nam a2200169Ia 4500 210210b2002 xxu||||| |||| 00| 0 eng d 81 219 0281 9 001.424 GUPO GUPTA (Prem Kumar) and HIRA (D S). Operations research. Ed 3. New Delhi. S. Chand & Co. Ltd. 2002 xvi,1055 OR Operations Research 057250 104834 104834 0 0 0 0 General AL AL General 2021-02-17 Sita Book House, Mangalore. 175.00 1 001.424 GUPO 057250 2023-02-06 00:00:00 2023-02-02 2021-02-17 BK