NKOMO, JC. The impact of higher oil prices on Southern African countries. Journal of Energy in Southern Africa, [S. l.], v. 17, n. 1, p. 10–17, 2006. DOI: 10.17159/2413-3051/2006/v17i1a3373. Disponível em: https://energyjournal.africa/article/view/3373. Acesso em: 9 may. 2024.