BABIKER, A. B. A. Rural household energy in the Nuba Mountains - Republic of the Sudan: Trends of use and impacts. ERDKUNDE, [S. l.], v. 37, n. 2, p. 109–117, 1983. DOI: 10.3112/erdkunde.1983.02.03. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/2003. Acesso em: 30 apr. 2025.