OKWOCHE, Princewill U.; IHEONU, Chimere O. Determinants of fiscal effort in sub-Saharan African countries: Does conflict matter?. Economics and Business Review, Poland, v. 7, n. 2, p. 50–73, 2021. DOI: 10.18559/ebr.2021.2.5. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/431. Acesso em: 4 apr. 2025.