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008 991125n eua 000 0 eng u
022 _a0025-1909
035 _aUPN01000061033
245 0 0 _aMANAGEMENT SCIENCE
260 _aEUA :
_bInstitute of Management Science
310 _aMensual
905 _aRevista
999 _c60708
_d60708