X. Y. Ma and H. Hafit, “Emergency Notification And Healthcare Mobile Application For Elderly”, aitcs, vol. 3, no. 1, pp. 264–278, Jun. 2022, Accessed: Apr. 10, 2026. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/aitcs/article/view/2230