CHUL KIM, Hee. A study on bus safety operation system applying IoT technology.
International Journal of Engineering and Technology,
[S. l.], v. 7, n. 2.33, p. 175–178, 2018.
DOI: 10.14419/ijet.v7i2.33.13880. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/13880.. Acesso em: 13 aug. 2025.