TURNER, J. E. C. Resin Tapping Instructions and Rules. Indian Forester, [S. l.], v. 60, n. 12, p. 854–856, 1934. DOI: 10.36808/if/1934/v60i12/20764. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20764. Acesso em: 21 aug. 2025.