Srichaphan, Thanakorn, and Rajanee Quanboonchan. “A model of professional tennis athlete development”. Asia-Pacific Journal of Science and Technology 23, no. 1 (February 16, 2018): APST–23. accessed September 2, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/112305.