Paletekan, J. W., S. Suwandi, Tri Ayodha Ajiwiguna, and Eddy Ariffin. 2018. “Effect Of HHO On Emissions And Efficiency In Two Stroke Engine 150cc”. JMECS (Journal of Measurements, Electronics, Communications, and Systems) 4 (1):27-32. https://doi.org/10.25124/jmecs.v4i1.1698.