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020 _a471118672
082 _a658
_bBUF
_223
100 _aBUFFA, Elwood S.
245 _aOperations management: problems and models
_c/[by] Elwood S.Buffa
250 _a3rd ed.
260 _aNew York
_bJohn Wiley
_c1972
300 _axiii, 762 p.
500 _aIncludes appendixes and index.
650 _aManagement
942 _cS