Mohammed, Salah E., M. B. Baharom, and A. Rashid A. Aziz. 2018. “The Influence of Air-Fuel Equivalence Ratio on the Perfor-Mance and Emission Characteristics of a Crank-Rocker Engine”. International Journal of Engineering & Technology 7 (3.17): 266-69. https://doi.org/10.14419/ijet.v7i3.17.21926.