SONEYE, O. O. Evaluation of clearness index and cloudiness index using measured global solar radiation data: A case study for a tropical climatic region of Nigeria. Atmósfera, [S. l.], v. 34, n. 1, p. 25–39, 2020. DOI: 10.20937/ATM.52796. Disponível em: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/ATM.52796. Acesso em: 3 may. 2024.