HERDIANA, D.; SAEPPANI, A. Design And Development Of Visitor Detection Tool System Based On Microcontroller Internet Of Thing. J-Tin’s - Jurnal Teknik Informatika, [S. l.], v. 5, n. 1, 2021. Disponível em: https://ejournal.stmik-sumedang.ac.id/index.php/jtin/article/view/295. Acesso em: 18 may. 2022.