SEN, N. N. Trend of Development of Forestry in Haldwani, Ramnagar and T & B Divisions of Uttar Pradesh during the last 50 Years. Indian Forester, [S. l.], v. 91, n. 3, p. 158–169, 1965. DOI: 10.36808/if/1965/v91i3/25089. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/25089. Acesso em: 4 dec. 2025.