The African Gum Copal Tree. Indian Forester, [S. l.], v. 1, n. 1, p. 36–45, DOI: 10.36808/if/1875/v1i1/13181. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13181. Acesso em: 5 dec. 2025.