APRINALDI, A.; YUVENDA, D.; PRIMANDARI, S.; PUTRA, R. INFLUENCETHE USE OF PERTALITE AND PERTAMAX FUEL ON ENGINE PERFORMANCE ON FOUR-STROKE MOTORBIKE. Jurnal Vokasi Mekanika (VoMek), v. 6, n. 4, p. 521-527, 30 nov. 2024.