Firman Hardi Gunawan1, Arief Budi Laksono, and Affan Bachri. “RANCANG BANGUN ALAT BANTU BAGI PENYANDANG TUNANETRA”. SinarFe7 3, no. 1 (September 24, 2020). Accessed June 12, 2026. https://www.journal.fortei7.org/index.php/sinarFe7/article/view/259.