Fitria, M., Ramzi Adriman, Irham Muhammaddin Batubara and Akhyar Bintang (2022) “Heart Attack Notification and Monitoring System Using Internet of Things”, Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi), 6(6), pp. 993 - 997. doi: 10.29207/resti.v6i6.4509.