NZEH, I. C.; OGWURU, H. O. R.; OKOLIE, D. O.; OKOLIE, J. I. Economic openness, institutional quality and per capita income: Evidence from the Economic Community of West African States (ECOWAS). Research Papers in Economics and Finance, [S. l.], v. 6, n. 2, p. 50–67, 2023. DOI: 10.18559/ref.2022.2.3. Disponível em: https://journals.ue.poznan.pl/REF/article/view/193. Acesso em: 27 apr. 2024.