Grading of Forest Rangers. Indian Forester, [S. l.], v. 13, n. 6, p. 263–264, DOI: 10.36808/if/1887/v13i6/14205. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/14205. Acesso em: 4 dec. 2025.