Piroonboon, Mallika, Pannee Peungsuwan, Lugkana Mato, Raoyrin Chanaviut, Ponlapat Yonglithipagon, and Saowanee Nakmareong. 2020. “EFEECTS OF CORE MUSCLE TRAINING ON ABDOMINAL MUSCLE STRENGTH AND ENDURANCE AND SIT-TO-STAND IN OBESE MALE ADOLESCENCE : A PILOT STUDY”. Journal of Sports Science and Health 21 (3). Bangkok, Thailand:460-70. https://he02.tci-thaijo.org/index.php/spsc_journal/article/view/248408.