HOWARD, Albert. The Manufacture of Humus by the Indore Process. Indian Forester, [S. l.], v. 62, n. 4, p. 236–239, 1936. DOI: 10.36808/if/1936/v62i4/20963. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/20963. Acesso em: 28 oct. 2025.