ENGELHARD, K. Addis Abeba, Probleme seiner Entwicklung. ERDKUNDE, [S. l.], v. 24, n. 3, p. 207–219, 1970. DOI: 10.3112/erdkunde.1970.03.04. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1618. Acesso em: 4 dec. 2024.