Azizi, Muhammad Izham Fikri, and Nordiana Azlin Othman. “Piezoelectric Shoe Energy Harvesting With IoT Monitoring System”. Evolution in Electrical and Electronic Engineering 3, no. 2 (November 14, 2022): 888–894. Accessed May 20, 2024. https://publisher.uthm.edu.my/periodicals/index.php/eeee/article/view/8487.