By Lefley F.   Sarkis J.   in International Journal of Production Research

ISSN:1366-588X|35|2|341-368

Taylor & Francis Ltd‎(1997)‎

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By Lefley F.   Wharton F.   Hajek L.   Hynek J.   Janecek V.   in International Journal of Production Economics

ISSN:0925-5273|88|1|1-14

Elsevier‎(2004)‎

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