OCONNOR, J. E. Lac:Production, Manufacture and Trade. Indian Forester, [S. l.], v. 2, n. 3, p. 292–297, DOI: 10.36808/if/1877/v2i3/13208. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/13208. Acesso em: 4 dec. 2025.