The Monorail Portable Railways. Indian Forester, [S. l.], v. 26, n. 11, p. 555–559, DOI: 10.36808/if/1900/v26i11/15948. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/15948. Acesso em: 5 dec. 2025.