SCHORGER, A. W. The Conifer Leaf Oil Industry. Indian Forester, [S. l.], v. 43, n. 8, p. 380–388, 1917. DOI: 10.36808/if/1917/v43i8/18159. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/18159. Acesso em: 27 dec. 2025.