Solar resource classification in South Africa using a new index. Journal of Energy in Southern Africa, [S. l.], v. 28, n. 2, p. 61–70, 2017. DOI: 10.17159/2413-3051/2017/v28i2a1640. Disponível em: https://energyjournal.africa/article/view/1640. Acesso em: 21 nov. 2024.