B, A. I.; F, A. O.; O, I. E. Recent Trends and Fluctuations of Annual Rainfall in the Sudano-Sahelian Ecological Zone of Nigeria: Risks and Opportunities. Journal of Sustainable Society, [S. l.], v. 1, n. 2, p. 44–51, 2012. DOI: 10.11634/21682585140399. Disponível em: http://worldscholars.org/index.php/jss/article/view/99. Acesso em: 4 may. 2024.