Julvanichpong, T., and V. . Vanno. “The The Relationship Between Using of Psychological Skill Training Styles of University Athletes”. Journal of Humanities and Social Sciences Thonburi University, vol. 16, no. 1, Dec. 2021, pp. 45-55, https://so03.tci-thaijo.org/index.php/trujournal/article/view/254586.