DD, Akinwande; EO, Ogolo; OS, Ojo. West Africa’s Drought Dynamics: An Investigation of SPI and SPEI indices (1979-2021). International Journal of Physics Research and Applications, [S. l.], v. 7, n. 2, p. 108–118, 2024. DOI: 10.29328/journal.ijpra.1001093. Disponível em: https://www.physicsresjournal.com/ijpra/article/view/ijpra-aid1093. Acesso em: 25 apr. 2025.