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. DOI: 10.59832/jt.v1i1.22. Disponível em: https://www.jurnal.undira.ac.id.206-168-190-59.cpanel.site/jurnaltera/article/view/22. Acesso em: 29 jan. 2026.