Ramadani, Puja, and Riki Mukhaiyar. “Tongkat Cerdas Tunanetra Menggunakan Sensor Ultrasonik”. JTEIN: Jurnal Teknik Elektro Indonesia 3, no. 2 (August 19, 2022): 416-424. Accessed May 11, 2025. http://jtein.ppj.unp.ac.id/index.php/JTEIN/article/view/263.