F. A. . Mazarbhuiya, M. . Shenify, J. . Kez, A. S. . Wungreiphi, and P. Rupa, “Correlation Coefficient of Interval-Valued Fuzzy Sets with Interval-Valued Reference Functions and Applications in Medical Diagnosis and Selecting Appropriate Mediciness”, Contemp. Math., vol. 6, no. 2, pp. 2450–2465, Apr. 2025.