Chairy, A. ., Arifin, N. . and Insani, C. N. . (2022) “Analisis Perbandingan Metode Harmonic Mean Filter dan Contraharmonic Mean Filter untuk mengurangi noise pada Citra Digital”, Journal of Computer and Information System ( J-CIS ), 5(1), pp. 37–46. doi: 10.31605/jcis.v5i1.1533.