Predicting clear-sky global horizontal irradiance at eight locations in South Africa using four models. Journal of Energy in Southern Africa, [S. l.], v. 28, n. 4, 2017. DOI: 10.17159/2413-3051/2017/v28i4a2397. Disponível em: https://energyjournal.africa/article/view/4195. Acesso em: 4 dec. 2024.