YANTO, Puji; 						SUWIGNYO, Joko; 						FATRA, Fahmy.
 UJI PERFORMA DAN EMISI GAS BUANG MOTOR INJEKSI 4 TAK MENGGUNAKAN VARIASI ROLLER DAN BUSI.
<strong>Journal of Vocational Education and Automotive Technology</strong>, [S.l.], v. 4, n. 2, p. 70 - 76, dec. 2022.
ISSN 2715-9922.
Available at: &lt;<a href="https://www.e-journal.ivet.ac.id/index.php/joveat/article/view/2402" target="_new">https://www.e-journal.ivet.ac.id/index.php/joveat/article/view/2402</a>&gt;. Date accessed: 05 july 2025.
doi: <a href="https://doi.org/10.31331/joveat.v4i2.2402">https://doi.org/10.31331/joveat.v4i2.2402</a>.