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Annals of Operations Research > 2015 > 226 > 1 > 417-441
Computers and Operations Research > 2008 > 35 > 8 > 2520-2536
Annals of Operations Research > 2015 > 226 > 1 > 417-441
Computers and Operations Research > 2008 > 35 > 8 > 2520-2536