“ANALYSIS OF THE PERFORMANCE OF AUTOMATICMOTORCYCLES USING PERTALITE FUEL WITH ADDEDADDITIVES”. Jurnal Ilmiah Rotor 3, no. 1 (June 24, 2026): 1–16. Accessed August 9, 2026. https://ojs.ukip.ac.id/index.php/ukip_jir/article/view/443.