Subramaniam, Vaishinavi, and Md Nor Ramdon Bin Baharom. “Design and Development of a Solar and Hand-Cranked Dynamo-Based With Battery Storage for Low Power Device Charging”. Progress in Engineering Application and Technology 7, no. 1 (May 19, 2026): 249–257. Accessed July 23, 2026. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/23103.