Xu, Yejun, Ravi Patnayakuni, Feifei Tao, and Huimin Wang. “Incomplete Interval Fuzzy Preference Relations for Supplier Selection in Supply Chain Management”. Technological and Economic Development of Economy 21, no. 3 (May 26, 2015): 379-404. Accessed November 22, 2024. https://bme.vgtu.lt/index.php/TEDE/article/view/1106.