“INVESTIGATION OF GUIDE VANE SWIRL AND TUMBLE DEVICE TO IMPROVE IN-CYLINDER AIR FLOW FOR COMPRESSION IGNITION ENGINE RUNNING WITH BIODIESEL”. Jurnal Teknologi 75, no. 8 (August 20, 2015). Accessed July 20, 2024. https://journals.utm.my/jurnalteknologi/article/view/5217.