HASHOLT, B. Mamdouh Shahin: Hydrology of the Nile basin. (Developments in water science; 21). Geografisk Tidsskrift, [S. l.], v. 87, 1987. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/44437. Acesso em: 18 apr. 2024.