Purwanto TG. Rancang Bangun Alat Bantu Navigasi Tuna Netra Berbasis Arduino Dengan Sensor Ultrasonik. quateknika [Internet]. 2023 May 10 [cited 2026 Oct. 9];13(1):91-101. Available from: https://ejournal.unisbablitar.ac.id/index.php/qua/article/view/2157