Wang, Weize, and Xinwang Liu. “Some Hesitant Fuzzy Geometric Operators and Their Application to Multiple Attribute Group Decision Making”. Technological and Economic Development of Economy 20, no. 3 (October 3, 2014): 371-390. Accessed December 21, 2024. https://journals.vilniustech.lt/index.php/TEDE/article/view/3421.