NKOMO, JC. Crude oil price movements and their impact on South Africa. Journal of Energy in Southern Africa, [S. l.], v. 17, n. 4, p. 25–32, 2006. DOI: 10.17159/2413-3051/2006/v17i4a3196. Disponível em: https://energyjournal.africa/article/view/3196. Acesso em: 7 may. 2024.