Selvianti, Utari Aditia, Umi Romayati Keswara, and Dessy Hermawan. 2024. “Pengaruh Progressive Muscle Relaxation (PMR) Terhadap Kualitas Tidur Lansia”. Holistik Jurnal Kesehatan 18 (7):895-99. https://doi.org/10.33024/hjk.v18i7.427.