“ISOLATED AND COMBINED EFFECTS OF SWISS BALL AND KETTLEBELL TRAINING INDUCED ADAPTATIONS ON BACK STRENGTH OF ADOLESCENT BOYS”, IJFANS, vol. 11, no. 11A, pp. 226–233, Jan. 2022, Accessed: Sep. 22, 2026. [Online]. Available: https://www.ijfans.org/index.php/Journal/article/view/9487