Domingo, Winston, and Zarianne Joy Ladia. “QSUM-EASys: A Face Recognition Attendance and Web-Based Attendance Monitoring System for Quirino State University Maddela Campus”. Isabela State University Linker: Journal of Engineering, Computing and Technology 1, no. 2 (December 31, 2024): 56–67. Accessed October 18, 2025. https://isujournals.ph/index.php/ject/article/view/139.