Nabila Putri Wahyuni, Joko Wiyono, Dyah Widodo. The Effect of a Combination Progressive Muscle Relaxation and Foot Massage on Improving Sleep Quality in the Elderly . PHJ [Internet]. 2025 Dec. 30 [cited 2026 Jan. 12];8(1):105-13. Available from: https://ojsstikesbanyuwangi.com/index.php/PHJ/article/view/1298