Emergency Notification System for the Detection of Falling, Car Accident and Heart Rate Failure Using Smart phone and Smart watch. Journal of Madenat Alelem, [S. l.], v. 9, n. 2, p. 54–72, 2017. Disponível em: https://journal.mauc.edu.iq/index.php/JMAUC/article/view/71. Acesso em: 27 feb. 2026.