Salsabila, Saraban, and Md Abu Hasan Al Askary. “A Review of Syngas-Fueled Free Piston Linear Engine Generators: Efficient Fuel Opportunities”. INTI Journal, vol. 2025, no. 2, July 2025, https://iuojs.intimal.edu.my/index.php/intijournal/article/view/701.