The Manufacture of Turpentine and Colophony in the Punjab. Indian Forester, [S. l.], v. 27, n. 3, p. 142–142, DOI: 10.36808/if/1901/v27i3/15975. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/15975. Acesso em: 4 dec. 2025.