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 Influence Use of NGK Platinum C 7hvx Sparkplug toward Performance and Emision Gas of Four Stroke Motorcycle 110 Cc.
<strong>Jurnal Energi Dan Manufaktur</strong>, [S.l.], nov. 2012.
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Available at: &lt;<a href="http://103.29.196.112/index.php/jem/article/view/2293" target="_new">http://103.29.196.112/index.php/jem/article/view/2293</a>&gt;. Date accessed: 05 mar. 2026.