Simulation Of A Two–Stroke Spark Ignition Free Piston Linear Engine Motion. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 44, n. 1, p. 27–40, 2012. DOI: 10.11113/jt.v44.352. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/352.. Acesso em: 5 dec. 2025.