MODIFIKASI CYLINDER HEAD DAN INJEKSI GAS HHO TERHADAP PERFORMA MESIN 4 LANGKAH 1 SILINDER. JTT (Jurnal Teknologi Terpadu), [S. l.], v. 8, n. 1, p. 1–6, 2020. DOI: 10.32487/jtt.v8i1.753. Disponível em: https://jurnal.poltekba.ac.id/index.php/jtt/article/view/753. Acesso em: 7 jul. 2026.