JAIN, R. Sewer Guard - Protector for Manhole Scavengers. iJournals:International Journal of Software & Hardware Research in Engineering ISSN:2347-4890, [S. l.], v. 10, n. 5, 2022. Disponível em: https://ijournals.in/journal/index.php/ijshre/article/view/121. Acesso em: 9 jul. 2026.