AYIVOR, J.; GORDON, C. Impact of Land Use on River Systems in Ghana. West African Journal of Applied Ecology, [S. l.], v. 20, n. 3, p. 83–95, 2013. DOI: 10.4314/wajae.v20i3. Disponível em: https://www.ajol.info/index.php/wajae/article/view/86344. Acesso em: 16 sep. 2026.