Azhar, Reynaldi, Yusuf Syamputra, and Adhi Rizal. “Implementation Of Student Presence System Based On NodeMCU ESP8226 (Case Study Of PGRI Vocational School, Lemahabang, Karawang)”. Jurnal Ilmiah Wahana Pendidikan 9, no. 8 (April 30, 2023): 569-583. Accessed April 17, 2026. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/3584.