S. PM, K. Ravindran, D. C, S. CV, and M. M, “Automated Invigilation System Using MediaPipe and Haar Cascade Frontal Algorithm”, J. Inf. Technol. Digit. World, vol. 5, no. 2, pp. 210–222, Jul. 2023, doi: 10.36548/jitdw.2023.2.010.