Kwanphet, Naruebes, and Kongkiat Choeychom. 2024. “THE EFFECTS OF COMPLEX TRAINING ON BREASTSTROKE PERFORMANCE OF YOUNG SWIMMING ATHLETES”. Academic Journal of Thailand National Sports University 16 (2). Chonburi, Thailand:69-78. https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/263003.