Irwandi, Melfa Br Nababan, Orbit Irwansyah. THE EFFECT OF FLOOR GYMNASTICS TRAINING ON THE BODY BALANCE OF GRADE IX STUDENTS AT SMP NEGERI 2 BAMBEL. IJSET [Internet]. 2025 Dec. 20 [cited 2026 Apr. 18];4(10):553-7. Available from: http://ijset.org/index.php/ijset/article/view/1382