Droughts and their impact on African river revenues: Droughts and their impact on African river revenues. jornal of the libyan geographical society, [S. l.], v. 4, n. 4, p. 10–27, 2011. DOI: 10.5281/zenodo.18421076. Disponível em: https://jlgs.ly/ojs/index.php/ojsdata/article/view/48. Acesso em: 13 feb. 2026.