Source of Rubber Supply. Indian Forester, [S. l.], v. 18, n. 9, p. 349–354, DOI: 10.36808/if/1892/v18i9/14750. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/14750. Acesso em: 4 dec. 2025.