A New Method for Optimization of Inefficient Cost Units In The Presence of Undesirable Outputs
Subject Areas : International Journal of Industrial Mathematics
S. Sadri
1
(Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran)
M. Rostamy Malkhalifeh
2
(Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran.)
N. Shoja
3
(Department of Mathematics, Firuozkooh Branch, Islamic Azad University, Firuozkooh, Iran)
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Abstract :