Yu, Xiaohan, Zeshui Xu, and Shousheng Liu. “Systematic Decision Making: A Extended Multi-Criteria Decision Making Model”. Technological and Economic Development of Economy 23, no. 1 (January 22, 2017): 157-177. Accessed December 2, 2024. https://aviation.vgtu.lt/index.php/TEDE/article/view/632.