P. K. Arun and M. . Suresh, “Ranking Triangular Intuitionistic Fuzzy Numbers: A Nagel Point Approach and Applications in Multi-Criteria Decision-Making”, Int. J. Oper. Res. Artif. Intell., vol. 2, no. 2, pp. 54–66, Jun. 2026, doi: 10.48314/ijorai.v2i2.89.