Wahid, Hidayat Nur, et al. “Alat Identifikasi Nominal Mata Uang Kertas Rupiah Bagi Penyandang Tunanetra ”. Prosiding Seminar Nasional Teknik Elektro UIN Sunan Gunung Djati Bandung, vol. 10, Dec. 2025, pp. 272-9, https://senter.ee.uinsgd.ac.id/repositori/index.php/prosiding/article/view/senter2025p32.