00302nam a2200133Ia 4500020001800000082000800018100003900026245004600065250000600111260002600117300000800143500000800151650000900159  a0-07-056378-0  a519  aShamblin, James E./ Stevens, G. T. 0aOperational Research Fundamental Approach  a-  aN. DelhibMcgraw Hill  a404  a139  a-NA-