E.A SULEIMANA, A. A. &. Modeling Solar Radiations Series in Nigeria using ARIMA-GARCH Models. Covenant Journal of Physical and Life Sciences, [S. l.], v. 6, n. 2, 2019. Disponível em: https://journals.covenantuniversity.edu.ng/index.php/cjpls/article/view/1239. Acesso em: 4 may. 2024.