Khomkaew, Sompot, Nattapong Suksabai, and Supachai Kaewpoung. “Study of Performance of Small Engine Running Continuously Compared to TIS 787-2551 Standards”. Srinakharinwirot University Engineering Journal 20, no. 1 (December 9, 2024): 23–30. accessed April 8, 2025. https://ph02.tci-thaijo.org/index.php/sej/article/view/251968.