TY  - JOUR
AU  - Kordrostami‎‎, S.
AU  - Jahani Sayyad ‎Noveiri, M.
TI  - Evaluating the Efficiency of Firms with Negative Data in Multi-Period Systems: An Application to Bank ‎Data
JO  - International Journal of Industrial Mathematics
VL  - 9
IS  - 1
SP  - 27
EP  - 35
PY  - 2017
DO  - 
ER  -