Mega Nur Sasongko, Widya Wijayanti. Effect of ethanol addition on the performance and exhaust emissions of a spark ignition engine. J. Mech. Eng. Sci. [Internet]. 2017 Jun. 30 [cited 2025 Mar. 17];11(2):2734-42. Available from: https://journal.ump.edu.my/jmes/article/view/8232