“Application Of the Eigenface Method in The Presence System Using Web-Based Face Recognition: Study At E-Learning Marketplace in Bandung”. Informatics Management, Engineering and Information System Journal 1, no. 2 (October 26, 2026): 125–133. Accessed October 27, 2026. https://jurnal.stmik-mi.ac.id/imeisj/article/view/230.