[1]
T. D. Tambunan, R. Budiawan, W. Hidayat, and F. Bagas Samudra, “Student Attendance Recording Using Smart Camera Sensor”, IJET, vol. 8, no. 1.9, pp. 176–180, Jan. 2019, doi: 10.14419/ijet.v8i1.9.26394.