LAURIE, M. V. Safeguarding the "Safeguarding Formula". Indian Forester, [S. l.], v. 65, n. 11, p. 672–678, 1939. DOI: 10.36808/if/1939/v65i11/27633. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/27633. Acesso em: 21 aug. 2025.