Ramadhan, Ricky, Jayanti Yusmah Sari, and Ika Purwanti Ningrum. “Identification of Authenticity and Nominal Value of Indonesia Banknotes Using Fuzzy KNearest Neighbor Method”. IJNMT (International Journal of New Media Technology) 6, no. 1 (August 30, 2019): 32–37. Accessed August 26, 2025. https://ejournals.umn.ac.id/index.php/IJNMT/article/view/989.