Rochim, A., Suwignyo, J., & Fatra, F. (2021). PENGARUH PENGGUNAAN CAMSHAFT RACING DAN KNALPOT RACING TERHADAP KONSUMSI BAHAN BAKAR SEPEDA MOTOR MATIC 125 CC TAHUN 2013. Journal Of Vocational Education And Automotive Technology, 3(1), 94 - 101. Retrieved from https://www.e-journal.ivet.ac.id/index.php/joveat/article/view/1657