Lan, Jibin, Mian Yang, Mingming Hu, and Fang Liu. “Multi-Attribute Group Decision Making Based on Hesitant Fuzzy Sets, TOPSIS Method and Fuzzy Preference Relations”. Technological and Economic Development of Economy 24, no. 6 (December 14, 2018): 2295-2317. Accessed November 24, 2024. https://jbem.vgtu.lt/index.php/TEDE/article/view/6768.