00402nam a2200145Ia 4500 211122s9999||||xx |||||||||||||| ||und|| 658.4034 GUP-O Gupta, R K Operations Research Krishna Prakashan Meerut 1984 576p General Stack TECHNOLOGY MANAGEMEMT & AUXILLARYGENERAL MANAGEMENTCommerce BOOK 0 0 0 0 SBCL SBCL 2 2021-11-22 25.00 1 658.4034 GUP-O 00135998 2023-02-24 00:00:00 2023-02-08 2021-11-22 BOOK 122499 122499