K. Kusnandar, Ni Ketut Hariyawati Dharmi, Andika Dwi Naviandi, and Yusuf Nugraha, “Rancang Bangun Sistem Presensi Pegawai Menggunakan Pintu Otomatis Berbasis NFC (Near Field Communication)”, JT, vol. 21, no. 2, pp. 115–123, Feb. 2023.