Evaluating the Efficiency of Firms with Negative Data in Multi-Period Systems: An Application to Bank Data
Subject Areas : International Journal of Industrial MathematicsS. Kordrostami‎‎ 1 , M. Jahani Sayyad ‎Noveiri 2
1 - Department of Mathematics, Lahijan Branch, Islamic Azad University, Lahijan, Iran.
2 - Department of Mathematics, Lahijan Branch, Islamic Azad University, Lahijan, Iran.
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