MAULANA, P.; DARUSALAM, U.; NATHASIA, N. D. Road Guides and Special Location Monitoring for Blind People Using Ultrasonic Sensors and Microcontroller-Based GPS Modules: Road Guides and Special Location Monitoring for Blind People Using Ultrasonic Sensors and Microcontroller-Based GPS Modules. Jurnal Mantik, [S. l.], v. 3, n. 4, p. 444-450, 2020. Disponível em: https://www.ejournal.iocscience.org/index.php/mantik/article/view/590. Acesso em: 20 jun. 2026.