โภคบุญญานนท์ ธฤษณุ. “The Crawl Stroke Swimming Skills Test for Primary School Year 3 Students at Saint Gabriel’s College”. Journal of Humanities and Social Sciences, Rajapruk University 4, no. 1 (May 27, 2018): 69–79. accessed September 11, 2026. https://so03.tci-thaijo.org/index.php/rpu/article/view/125756.