Dinata, Riadi Marta, Ashari Abidin, Marhaeni Marhaeni, and Niko Purnomo. 2026. “Personalized Z-Score Framework for Attendance Anomaly Detection in GPS-Based Laboratory Workforce Systems”. Faktor Exacta 19 (2). https://doi.org/10.30998/faktorexacta.v19i2.1610.