SATHIYASEELAN, R.; NEETHIDEVAN , V. IoT based blind stick. International journal of health sciences, [S. l.], v. 6, n. S1, p. 4491–4499, 2022. DOI: 10.53730/ijhs.v6nS1.5834. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/5834. Acesso em: 8 may. 2026.