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ISSN:0377-2217|91|3|623-633

Elsevier‎(1996)‎

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By Dangalchev C.A.   in Transportation Research Part B: Methodological

ISSN:0191-2615|34|3|203-217

Elsevier‎(2000)‎

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By Dangalchev C.A.   Jones G.   in European Journal of Purchasing and Supply Management

ISSN:0969-7012|3|4|233-240

Elsevier‎(1997)‎

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