Chavalala, Thembhani Hlayisani, Retius Chifurira, Knowledge Chinhamu, and Jacob Majakwara. “Volatile Count Modelling of COVID-19 Mortality Data: A Zero-Inflated Overdispersed Time Series Framework”. Statistics, Optimization & Information Computing 15, no. 4 (March 15, 2026): 3305-3319. Accessed March 16, 2026. http://47.88.85.238/index.php/soic/article/view/2734.