Khan, Faiz Muhammad, and Waqas Ahmad. “Fermatean Fuzzy Weighted Geometric Aggregation Operator InMultiple Attribute Group Decision Making Problems”. MATEMATIKA: Malaysian Journal of Industrial and Applied Mathematics 38, no. 1 (April 29, 2022): 33–51. Accessed April 2, 2023. https://matematika.utm.my/index.php/matematika/article/view/1343.