Hasmar, Wanti, Faridah Faridah, and Putra Hadi. “PERBEDAAN PENGARUH CORE STABILITY EXERCISE DAN WILLIAM FLEXION EXERCISE TERHADAP LOW BACK PAIN MYOGENIK : DIFFERENCES IN THE EFFECT OF CORE STABILITY EXERCISE AND WILLIAM FLEXION EXERCISE ON MYOGENIC LOW BACK PAIN”. Quality : Jurnal Kesehatan 17, no. 1 (May 30, 2023): 64–71. Accessed November 25, 2024. https://ejournal.poltekkesjakarta1.ac.id/index.php/adm/article/view/908.