HANDOYO, Putri; MULYANINGRAT, Wahyudi; SUMERU, Annas. THE EFFECT OF PROGRESSIVE MUSCLE RELAXATION AND WARM COMPRESSES ON CHANGES IN LOW BACK PAIN LEVELS IN THE ELDERLY: CASE STUDY. International Journal of Biomedical Nursing Review, [S.l.], v. 5, n. 2, p. 46-50, may 2026. ISSN 2962-4703. Tersedia pada: <https://jos.unsoed.ac.id/index.php/ijbnr/article/view/16866>. Tanggal Akses: 13 june 2026 doi: https://doi.org/10.20884/1.ijbnr.2026.5.2.16866.