Srirugsa, T., Wongklang, W., Eiadtrong, S. and Srichai, P. (2021) “Ethanol on Port Fuel Injection Engine in Motorcycle Engine”, Princess of Naradhiwas University Journal, 13(3), pp. 211–228. available at: https://li01.tci-thaijo.org/index.php/pnujr/article/view/250837 (accessed: 27 August 2026).