NGOFA-A , T.-W. .; KALU, I. E. SELECTED EXTERNAL SECTOR VARIABLES AND ECONOMIC DEVELOPMENT IN NIGERIA. Economics and Social Science Academic Journal, [S. l.], v. 4, n. 9, p. 1–11, 2022. Disponível em: https://cirdjournals.com/index.php/essaj/article/view/840. Acesso em: 2 jun. 2026.