Zhou, Wei, and Jian Min He. “Interval-Valued Intuitionistic Fuzzy Ordered Precise Weighted Aggregation Operator and Its Application in Group Decision Making”. Technological and Economic Development of Economy 20, no. 4 (December 16, 2014): 648-672. Accessed November 28, 2024. https://mma.vgtu.lt/index.php/TEDE/article/view/3434.