WINKLER, H.; VAN ES, D. Energy efficiency and the CDM in South Africa: constraints and opportunities. Journal of Energy in Southern Africa, [S. l.], v. 18, n. 1, p. 29–38, 2007. DOI: 10.17159/2413-3051/2007/v18i1a3342. Disponível em: https://energyjournal.africa/article/view/3342. Acesso em: 29 apr. 2024.