PENGARUH WILLIAM FLEXION THERAPY TERHADAP NYERI PUNGGUNG BAWAH MAHASISWA DI UNIVERSITAS ‘AISYIYAH SURAKARTA. OVUM : Journal of Midwifery and Health Sciences, [S. l.], v. 2, n. 2, p. 55–64, 2022. DOI: 10.47701/ovum.v2i2.2363. Disponível em: https://ojs.udb.ac.id/ovum/article/view/2363. Acesso em: 30 june. 2026.