List of Articles Farhad Khazaeli Article 1 - Combination of Data Envelopment Analysis and Non-Linear Programming: A Novel Hybrid for Optimizing the Allocation of the Fixed-Cost in the Project Portfolio Farhad Khazaeli Hosein Arman Mohammadreza Zare International Journal of Data Envelopment Analysis , Issue 5 , Year , Autumn 2020