1. A Hybrid Grey Based KOHONEN Model and Biogeography-Based Optimization for Project Portfolio Selection. (7th August 2014) Authors: Faezy Razi, Farshad; Eshlaghy, Abbas Toloie; Nazemi, Jamshid; Alborzi, Mahmood; Pourebrahimi, Alireza Other Names: Choi Han H. Academic Editor. Journal: Journal of applied mathematics Issue: Volume 2014(2014) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗