Indra, Indra Kusuma, Tutut Wurijanto, and Muhamad Basyrul Muvid. “Aplikasi Absensi Siswa Berbasis RFID Pada Tk Kristen Sejahtera Surabaya”. RAINSTEK : Jurnal Terapan Sains & Teknologi 5, no. 3 (September 29, 2023): 252–262. Accessed May 21, 2024. https://ejournal.unikama.ac.id/index.php/jtst/article/view/9090.