Hamidou, Saoud, Mohamed Abdallah, Rawad Abdulghafor, and Sharyar Wani. “Emergency Smartwatch for Fisherman: Emergency Smartwatch”. International Journal on Perceptive and Cognitive Computing 6, no. 2 (December 14, 2020): 77–80. Accessed July 27, 2021. https://journals.iium.edu.my/kict/index.php/IJPCC/article/view/162.