An Interactive Bus Alert & Convenient Communication System for Blind People Using RF. International Journal of Engineering & Extended Technologies Research (IJEETR), [S. l.], v. 8, n. 2, p. 2739–2746, 2026. DOI: 10.15662/IJEETR.2026.0802259. Disponível em: https://ijeetr.com/index.php/ijeetr/article/view/678. Acesso em: 24 apr. 2026.