Chavalala, T. H., Retius Chifurira, Knowledge Chinhamu, & Jacob Majakwara. (2026). Volatile Count Modelling of COVID-19 Mortality Data: A Zero-Inflated Overdispersed Time Series Framework. Statistics, Optimization & Information Computing, 15(4), 3305-3319. https://doi.org/10.19139/soic-2310-5070-2734