Jamal, Amir Z., N. Amalina Ramlan, Ezrann Z. Zainal A, A. Rashid A. Aziz, and Firmansy ah. “Performance of Free-Piston Linear Generator by Using Com-Pressed Air”. International Journal of Engineering and Technology 7, no. 3.17 (August 1, 2018): 200–204. Accessed May 19, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/21901.