Khomkaew, Sompot, Supachai Kaewpoung, and Nattapong Suksabai. “Study of the Performance of Small-Sized Engines Operating under Overloaded Conditions Compared to TIS 787-2551”. Srinakharinwirot University Engineering Journal 20, no. 1 (December 9, 2024): 31–37. accessed December 6, 2025. https://ph02.tci-thaijo.org/index.php/sej/article/view/251970.