FRITZ, WLO; KAHN, MTE. Energy efficient lighting and energy management. Journal of Energy in Southern Africa, [S. l.], v. 17, n. 4, p. 33–38, 2006. DOI: 10.17159/2413-3051/2006/v17i4a3198. Disponível em: https://energyjournal.africa/article/view/3198. Acesso em: 2 may. 2024.