Purwanto, Nasrul Hadi, Luthfiah Nur Aini, and Fajar Purwanto. “MENURUNKAN INTENSITAS NYERI PADA PENDERITA LOW BACK PAIN MELALUI TERAPI WILLIAM FLEXION EXERCISE”. Jurnal Bhakti Civitas Akademika 7, no. 2 (July 31, 2024): 59-72. Accessed January 21, 2025. https://e-journal.lppmdianhusada.ac.id/index.php/jbca/article/view/368.