N. H. . Mohd Razali, L. Abdullah, A. T. . Ab Ghani, A. . Afthanorhan, and M. . Zabihinpour, “A Type-2 Fuzzy u-Control Chart Considering Probability-Based Average Run Length”, Contemp. Math., vol. 5, no. 1, pp. 959–977, Mar. 2024.