00591aam a2200217 4500 OSt 20260515142028.0 140223b1990 xxu||||| |||| 00| 0 eng d 0471119156 658.4034 BUF Buffa, Elwood S Management science / operations research: model formulation and solution methods/Buffa, Elwood S. New York Wiley 1977 725p. Operations Research Dyer, James S. books(AACR-2 Format) 14485 (Shelf) ddc BK 11097 11097 0 0 ddc 0 0 IIFM IIFM 1998-12-18 0 658.4034 BUF 766 2025-05-21 09:48:00 2025-05-21 BK