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Betty Sunaryanti, Ratna Kusuma Astuti. Pengaruh Progressive Muscle Relaxation Techniques terhadap Perubahan Gangguan Tidur : Insomnia, pada Penderita Gangguan Muskuloskeletal: Penelitian . JERKIN [Internet]. 2026 Mar. 9 [cited 2026 Apr. 30];4(4):22267-75. Available from: https://jerkin.org/index.php/jerkin/article/view/5825