UPADHYAY, M. D. Progress of Resin Industry in Uttar Pradesh. Indian Forester, [S. l.], v. 83, n. 1, p. 26–33, 1957. DOI: 10.36808/if/1957/v83i1/24153. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/24153. Acesso em: 5 dec. 2025.