H. Y. Yap and B. C. Kok, “Charge Controller for Solar-Wind Hybrid Energy Harvesting System”, EEEE, vol. 4, no. 2, pp. 133–139, Oct. 2023, Accessed: Apr. 08, 2026. [Online]. Available: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/12593