BADEN-POWELL, B. H. Report on the Gums, Resin, & c. Indian Forester, [S. l.], v. 2, n. 2, p. 168–182, DOI: 10.36808/if/1876/v2i2/13218. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13218. Acesso em: 5 dec. 2025.