Convocation of Northern Forest Rangers College, March 1971. Indian Forester, [S. l.], v. 97, n. 6, p. 342–351, 1971. DOI: 10.36808/if/1971/v97i6/26427. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/26427. Acesso em: 4 dec. 2025.