C. Jayavarthini, Ashwani Kumar Sinha , Avinash Jha. “Dynamic Attendance Marking System Using Combination of Physical Presence And Real Time Monitoring”. International Journal of Advanced Science and Technology 29, no. 06 (April 21, 2020): 07 - 15. Accessed October 11, 2026. http://sersc.org/journals/index.php/IJAST/article/view/11287.