PULO MANGESA, Daud.
Influence Use of NGK Platinum C 7hvx Sparkplug toward Performance and Emision Gas of Four Stroke Motorcycle 110 Cc.
Jurnal Energi Dan Manufaktur, [S.l.], nov. 2012.
ISSN 2541-5328.
Available at: <https://ojs.unud.ac.id/index.php/jem/article/view/2293>. Date accessed: 23 feb. 2025.