Making a case for white light-emitting diodes in the Western Cape. Journal of Energy in Southern Africa, [S. l.], v. 18, n. 3, p. 33–40, 2007. DOI: 10.17159/2413-3051/2007/v18i3a3387. Disponível em: https://energyjournal.africa/article/view/3387. Acesso em: 22 nov. 2024.