ZEIN, F. .; UTAMA, S. N. .; TAUFIQURRAHMAN. Heart Rate Monitoring System Abnormal Using a Microcontroller. Proceeding International Conference on Science and Engineering, [S. l.], v. 3, p. 189–193, 2020. DOI: 10.14421/icse.v3.496. Disponível em: https://www.sunankalijaga.org/prosiding/index.php/icse/article/view/496. Acesso em: 30 jul. 2026.