Charcoal for Gunpowder. Indian Forester, [S. l.], v. 14, n. 3, p. 110–112, DOI: 10.36808/if/1888/v14i3/14308. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/14308. Acesso em: 20 feb. 2026.