1. A. Arunraja, G.M. Rajathi, S. Mathumitha, Smart attendance system using Esp8266. Int. J. Sci. Technol. Res. 08(09), 1–6 (2019)
2. W. Astuti, S. Tan, M. I. Solihin, R. S. Vincent, B. Michael, Automatic voice-based recognition for automotive headlights beam control. Int. J. Automot. Mech. Eng. 18(1), 8454–8463 (2021). https://doi.org/10.15282/IJAME.18.1.2021.05.0640
3. H.M.B. Miran, Attendance checking system using quick response code for students at the university of sulaimaniyah. J. Math. Comput. Sci. 10, 189–198 (2014)
4. R. Nandhini, N. Duraimurugan, S.P. Chokkalingam, Face recognition based attendance system. Int. J. Eng. Adv. Technol. 08(3S), 1–4 (2019)
5. O.I. Odabi, E.O. Jonathan, Automatic attendance and mobile learning system in sensor-enabled heterogeneous and dynamic university environment. West Afr. J. Ind. Acad. Res. 13(01), 29–34 (2015)