Estimating the Basic Reproductive Number of COVID-19 Cases in Ghana. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 14, n. 1, p. 135–148, 2021. DOI: 10.29020/nybg.ejpam.v14i1.3850. Disponível em: https://ejpam.com/index.php/ejpam/article/view/3850.. Acesso em: 3 may. 2024.