Paletekan, J. W., 		Suwandi, S., 		Ajiwiguna, Tri, AND 		Ariffin, Eddy.
" Effect Of HHO On Emissions And Efficiency In Two Stroke Engine 150cc" <em>JMECS (Journal of Measurements, Electronics, Communications, and Systems)</em> [Online], Volume 4 Number 1 (30 June 2018)