Energy savings opportunities at the University of Nigeria, Nsukka. Journal of Energy in Southern Africa, [S. l.], v. 21, n. 1, p. 2–10, 2010. DOI: 10.17159/2413-3051/2010/v21i1a3244. Disponível em: https://energyjournal.africa/article/view/3244. Acesso em: 24 nov. 2024.