Onyeka-Ubaka, Josephine N., and Olaide Abass. “The Estimation of Heavy Tails in Non-Linear Models”. Tanzania Journal of Science 49, no. 2 (June 30, 2023): 332–343. Accessed November 19, 2024. https://tjs.udsm.ac.tz/index.php/tjs/article/view/1434.