SINGH, Balwant. Forests of the Patiala and East Punjab States Union. Indian Forester, [S. l.], v. 80, n. 12, p. 834–839, 1954. DOI: 10.36808/if/1954/v80i12/23910. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/23910. Acesso em: 10 jul. 2025.