Hussein, I.H. and Hamas, H.A. (2019) “Fuzzy Survival and Hazard Functions Estimation for Rayleigh distribution”, Iraqi Journal of Science, 60(3), pp. 624–632. Available at: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/657 (Accessed: 18 December 2025).