WHITTINGTON, G. Tobacco production in the Eastern Province of Zambia. ERDKUNDE, [S. l.], v. 21, n. 4, p. 297–309, 1967. DOI: 10.3112/erdkunde.1967.04.05. Disponível em: https://www.erdkunde.uni-bonn.de/article/view/1538. Acesso em: 30 apr. 2025.