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Benchmarking suppliers' performance when some factors play the role of both inputs and outputs : a new development to the slacks-based measure of efficiency
Mahdiloo, Mahdi, (2014)
A new model for ranking suppliers in the presence of both undesirable and non-discretionary outputs
Noorizadeh, Abdollah, (2014)
Suppliers ranking by cross-efficiency evaluation in the presence of volume discount offers
Mahdiloo, Mahdi, (2012)