DEN HEIJER, W I R; GROBLER, L J. Greenhouse gas emissions during the 2003 World Summit. Journal of Energy in Southern Africa, [S. l.], v. 16, n. 4, p. 48–54, 2005. DOI: 10.17159/2413-3051/2005/v16i4a3081. Disponível em: https://energyjournal.africa/article/view/3081. Acesso em: 6 may. 2024.