FAWKES, H. Energy efficiency in South African industry. Journal of Energy in Southern Africa, [S. l.], v. 16, n. 4, p. 18–25, 2005. DOI: 10.17159/2413-3051/2005/v16i4a3073. Disponível em: https://energyjournal.africa/article/view/3073. Acesso em: 28 apr. 2024.