chaliawsil, rachan, A. Thaesungnern, and N. Boonseng. “The psychological characteristic of the sports achievement of athletes of Thailand National Sports University, Suphanburi campus. In 46thPhysical Education Games, Year 2023. : Psychological characteristics, sports achievement”. Journal of the Association of Researchers, vol. 29, no. 1, Mar. 2024, pp. 117-32, https://so04.tci-thaijo.org/index.php/jar/article/view/268634.