Hikmatu Risma Ariviana, Pajar Haryatno, and Marti Rustanti, “PENGARUH PEMBERIAN WILLIAM FLEXION EXERCISE TERHADAP PENURUNAN NYERI PUNGGUNG BAWAH MIOGENIK”, JURNAFISIO, vol. 3, no. 2, pp. 21–31, Jun. 2025.