FAROOQ SABER, Mohammed. Automated RFID Attendance System Using ESP8266 with Direct Google Sheets Synchronization. Engineering And Technology Journal, [S. l.], v. 11, n. 01, p. 8497–8509, 2026. DOI: 10.47191/etj/v11i01.10. Disponível em: https://everant.org/index.php/etj/article/view/2411. Acesso em: 28 sep. 2026.