KALE, Amit; LOKHANDE, Harshad N.; KANDHARKAR, Shubham. COVID-19 Safe Distance Alert System for Blind People. Journal of Science & Technology , [S. l.], v. 6, n. Special Issue 1, p. 100–106, 2021. Disponível em: https://jst.org.in/index.php/pub/article/view/719. Acesso em: 3 jul. 2025.