Rainfall Irregularities, Trends and Variations in Tropical Semi-Arid River Catchment. Global Journal of Human-Social Science, [S. l.], v. 18, n. B2, p. 15–25, 2018. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/2560. Acesso em: 2 sep. 2026.