EL-BUSHRA, E.-S. Develpoment planning in the Sudan. ERDKUNDE, [S. l.], v. 39, n. 1, p. 55–59, 1985. DOI: 10.3112/erdkunde.1985.01.07. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/2062. Acesso em: 4 dec. 2024.