Krismawan, Andi Danang, and Eko Hari Rachmawanto. “Principal Component Analysis (PCA) Dan K-Nearest Neighbor (KNN) Dalam Deteksi Masker Pada Wajah”. Prosiding Seminar Nasional Sains dan Teknologi 12, no. 1 (November 28, 2022): 382–389. Accessed February 9, 2026. https://publikasiilmiah.unwahas.ac.id/PROSIDING_SNST_FT/article/view/7066.