Ullah, Kifayat, Zeeshan Ali, Naeem Jan, Tahir Mahmood, and Shahid Maqsood. “Multi-Attribute Decision Making Based on Averaging Aggregation Operators for Picture Hesitant Fuzzy Sets”. Technical Journal 23, no. 04 (December 31, 2018): 84-95. Accessed May 3, 2024. https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/704.