Convocation of Northern Forest Rangers College, March 1972. Indian Forester, [S. l.], v. 98, n. 6, p. 366–375, 1972. DOI: 10.36808/if/1972/v98i6/26615. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/26615. Acesso em: 21 aug. 2025.