CHUL KIM, Hee. A study on bus safety operation system applying IoT technology. International Journal of Engineering & 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: 21 nov. 2024.