WATSON, H. W. A. Statistics and their Value in Forest Policy. Indian Forester, [S. l.], v. 59, n. 9, p. 558–559, 1933. DOI: 10.36808/if/1933/v59i9/20422. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/20422. Acesso em: 5 dec. 2025.