EFFECTIVENESS OF WILLIAM FLEXION EXERCISE TO REDUCE PAIN INTENSITY ON LOW BACK PAIN (LBP) OF WOODCARVERS IN BALI, INDONESIA. Proceedings of the ICASH [Internet]. 2018 Aug. 2 [cited 2024 Nov. 7];(3):305-11. Available from: https://publications.inschool.id/index.php/icash/article/view/788