Rizky, S. et al. 2024. Alat Bantu Navigasi Tunanetra Menggunakan Modul GPS Dan Sensor Ultrasonik Berbasis Raspberry Pi. CESS (Journal of Computer Engineering, System and Science). 9, 1 (Jan. 2024), 128–139. DOI:https://doi.org/10.24114/cess.v9i1.54323.