WRIGHT, H. L. Simpler Control forms. Indian Forester, [S. l.], v. 60, n. 4, p. 280–283, 1934. DOI: 10.36808/if/1934/v60i4/20639. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20639. Acesso em: 21 aug. 2025.