COPPOCK, J. T. Tobacco growing in Nigeria. ERDKUNDE, [S. l.], v. 19, n. 4, p. 297–306, 1965. DOI: 10.3112/erdkunde.1965.04.04. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1477. Acesso em: 3 dec. 2024.