Mueen, Z., Zaibidi, N.Z. and Ramli, R. (2022) “Performance measure of multiple-channel queueing systems with imprecise data using graded mean integration for trapezoidal and hexagonal fuzzy numbers”, Journal of Computational Innovation and Analytics (JCIA), 1(2), pp. 1–13. doi:10.32890/jcia2022.1.2.1.