Abubakar, U.Y., A. Mohammed, and A. Lawal. “An Evaluation of a Reservoir Elevation With Markov Model in Continuous Time”. Asian Journal of Fuzzy and Applied Mathematics 1, no. 1 (June 13, 2013). Accessed June 30, 2022. https://ajouronline.com/index.php/AJFAM/article/view/187.