SINGH, Puran. The Composition of Ceara Rubber from Coorg. Indian Forester, [S. l.], v. 39, n. 8, p. 377–377, 1913. DOI: 10.36808/if/1913/v39i8/17674. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/17674. Acesso em: 5 dec. 2025.