RFID-BASED ABSENCE INFORMATION SYSTEM USING WHATSAPP NOTIFICATION AT MA MA’ARIF NU 06 PASIR SAKTI. Journal of Technology and Data Science, [S. l.], v. 4, n. 1, p. 341–353, 2026. DOI: 10.59025/1e6a3bb4. Disponível em: https://jtech.onlinelibrary.id/index.php/JTDS/article/view/1e6a3bb4. Acesso em: 25 sep. 2026.