A Hybrid Grey based Two Steps Clustering and Firefly Algorithm for Portfolio Selection

Subject Areas : Tectonostratigraphy

farshad  faezy razi ¹ (Assistant professor, Department of Industrial Management, Semnan Branch, Islamic Azad University, Semnan, Iran)
Naeimeh  Shadloo ² (MSc, Department of Industrial Management, Semnan Branch, Islamic Azad University, Semnan, Iran)

Received: 2014-11-06 Accepted : 2016-09-26 Published : 2017-04-01

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