Non-linear multivariate models for the estimation of global solar radiation received across five cities in South Africa. Journal of Energy in Southern Africa, [S. l.], v. 30, n. 2, p. 38–51, 2019. DOI: 10.17159/2413-3051/2019/v30i2a6076. Disponível em: https://energyjournal.africa/article/view/6076. Acesso em: 6 nov. 2024.