SUMIYANTO, S.; SAPURA, R. .; DARMAWAN, R. R. . ANALISA PERBANDINGAN KUALITAS KATUP ORIGINAL, KATUP ORIGINAL EX-PAKAI DAN KATUP IMITASI SEPEDA MOTOR YJZ 110CC. Jurnal Tera, [S. l.], v. 1, n. 1, p. 84–97, 2021. Disponível em: https://jurnal.undira.ac.id/jurnaltera/article/view/22. Acesso em: 19 may. 2024.