Ezugwu, V. O., A. A. Osagiede, and V. A. Amenaghawon. “A Study on Non-Homogenous Markov Fuzzy Manpower Systems”. Benin Journal of Statistics 7, no. 1 (June 23, 2024): 97– 112. Accessed December 16, 2025. https://www.bjs-uniben.org/index.php/home/article/view/78.