Budiman, et al. “Perbandingan Pengenalan Citra Wajah Berbasis Reduksi Dimensionalitas Dengan Principal Component Analysis (PCA) Dan Jaringan Saraf Tiruan ”. Proceedings of the Informatics Conference, vol. 2, no. 2, Dec. 2020, pp. 36-39, https://ojs.journals.unisel.edu.my/index.php/icf/article/view/26.