Wei, Guiwu, Xiaofei Zhao, and Hongjun Wang. “An Approach to Multiple Attribute Group Decision Making With Interval Intuitionistic Trapezoidal Fuzzy Information”. Technological and Economic Development of Economy 18, no. 2 (June 29, 2012): 317-330. Accessed December 26, 2024. https://btp.vilniustech.lt/index.php/TEDE/article/view/4695.