Rahman, Z., Fikri, A., Anantama, R. and Bachtiar, M.I. 2026. Face Recognition-Based Teacher Attendance System Using the Haar Cascade Classifier Method. Bulletin of Data Science. 5, 3 (Jun. 2026), 324-334. DOI:https://doi.org/10.47065/bulletinds.v5i3.10446.