Veriarinal, and Christian Gunawan. “IDENTIFIKASI NILAI MATA UANG LOGAM MENGGUNAKKAN METODE OTSU THRESHOLDING”. Kohesi: Jurnal Sains dan Teknologi 2, no. 11 (March 26, 2024): 1–9. Accessed August 3, 2025. https://ejournal.warunayama.org/index.php/kohesi/article/view/2670.