Pambudi, Agung Rilo, Garno, and Purwantoro. “DETEKSI KEASLIAN UANG KERTAS BERDASARKAN WATERMARK DENGAN PENGOLAHAN CITRA DIGITAL”. Jurnal Informatika Polinema 6, no. 4 (August 31, 2020): 69–74. Accessed November 25, 2024. http://jurnal.polinema.ac.id/index.php/jip/article/view/2546.