00000nam a2200000 a 4500 20251203090730.0 658.404 GUP Gupta R.C. Quantitative methods and operation research a self instruction manual Delhi CBS 1986 iv, 553p. 22cm. PB Management Quantitative methods Operation Research Linear Programming Transporation ENGLISH _ 21225 LIBSS C 17994 17994 0 0 0 0 PU PU 1998-12-16 0 658.404 GUP 21225 BK