BRIGGS, D. T.; OBAYORI, J. B. NIGERIA: AN UNDERDEVELOPED COUNTRY. Developing Economy Journal, [S. l.], v. 8, n. 9, p. 54–62, 2022. Disponível em: https://cirdjournals.com/index.php/dej/article/view/852. Acesso em: 29 apr. 2026.