REENBERG, Anette. Henry Nol Le Houérou: The grazing land ecosystems of the African Sahel. (Ecological studies, 75). Geografisk Tidsskrift, [S. l.], v. 90, 1990. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/44817. Acesso em: 6 dec. 2025.