SINGH, Hari. Preservation of Wild Life in the Punjab. Indian Forester, [S. l.], v. 83, n. 5, p. 347–350, 1957. DOI: 10.36808/if/1957/v83i5/24211. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/24211. Acesso em: 21 aug. 2025.