فهرس المقالات حسین عباسیان المقاله 1 - Upgrading inefficient decision making units (with negative data) towards common weights (using DEA) 20.1001.1.25885723.2021.13.3.1.8 Hossein Abbasiyan Iranian Journal of Optimization , العدد 4 , السنة 13 , تابستان 2021 المقاله 2 - Assessing the value efficiency of each unit in relation to the tangent hyper plane in DEA (units including negative data with interval scale) Hossein Abbasiyan Seyyed Ali Kazemipour Iranian Journal of Optimization , العدد 4 , السنة 14 , تابستان 2022 المقاله 3 - Nonparametric Model of Preferred Efficiency for Interval Scale Data (DEA) Hosein Abbasiyan Iranian Journal of Optimization , العدد 5 , السنة 13 , پاییز 2021 المقاله 4 - Two methods to obtain preferred efficiency for negative data (IS) 10.30495/ijm2c.2023.1952616.1246 Hossein Abbasiyan mohamadjafar doostideilami International Journal of Mathematical Modeling & Computations , العدد 1 , السنة 13 , زمستان 2023
