By Siskos Y.   Spyridakos A.   Yannacopoulos D.   in European Journal of Operational Research

ISSN:0377-2217|113|2|281-299

Elsevier‎(1999)‎

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By Spyridakos A.   Siskos Y.   Yannacopoulos D.   Skouris A.   in European Journal of Operational Research

ISSN:0377-2217|130|2|375-387

Elsevier‎(2001)‎

Access to resources Favorite 8.755823