J.S, Babatolu, Temidayo Rufus Akinnubi, Akintade T.F, and Omosuyi O.B. “An Investigation of Rainfall Variability in the Upper and Lower River Niger Basin Development Authority Areas, Nigeria”. International Journal of Basic and Applied Sciences 2, no. 4 (November 12, 2013): 393–398. Accessed December 4, 2024. https://sciencepubco.com/index.php/ijbas/article/view/1255.