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International Journal of Production Economics > 2009 > 121 > 2 > 395-408
Fuzzy Sets and Systems > 2004 > 146 > 2 > 187-203
European Journal of Operational Research > 1999 > 117 > 1 > 175-182
International Journal of Production Economics > 2009 > 121 > 2 > 395-408
Fuzzy Sets and Systems > 2004 > 146 > 2 > 187-203
European Journal of Operational Research > 1999 > 117 > 1 > 175-182