GIBSON, A. J. The Rosin and Turpentine Factory, Jallo, Punjab. Indian Forester, [S. l.], v. 44, n. 12, p. 340–350, 1918. DOI: 10.36808/if/1918/v44i12/27229. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/27229. Acesso em: 21 aug. 2025.