Azhar, R., Y. Syamputra, and A. Rizal. “Implementation Of Student Presence System Based On NodeMCU ESP8226 (Case Study Of PGRI Vocational School, Lemahabang, Karawang)”. Jurnal Ilmiah Wahana Pendidikan, Vol. 9, no. 8, Apr. 2023, pp. 569-83, doi:10.5281/zenodo.7898084.