M. A. Mukminin, T. Dharmawan, and M. A. Hidayat, “Gender Classification Using Viola Jones, Orthogonal Difference Local Binary Pattern and Principal Component Analysis”, MATRIK : Jurnal Manajemen, Teknik Informatika dan Rekayasa Komputer, vol. 23, no. 3, pp. 531–542, Jun. 2024, doi: 10.30812/matrik.v23i3.3879.