Saryomo S, Gunawan I. Studi Korelasi Tingkat Stres terhadap Kualitas Tidur Lansia di Panti Werdha. JPPP [Internet]. 2025 Nov. 24 [cited 2026 May 14];7(6):63-70. Available from: http://jurnal2.globalhealthsciencegroup.com/index.php/JPPP/article/view/846