Wahyuningsih, Tri, Desi Natalia, Supiyanto, and Reini Astuti. “Relationship Between Anxiety Levels and Sleep Quality Among Older Adults at the West Java Elderly Social Service Center”. Jurnal Kesehatan Budi Luhur: Jurnal Ilmu-Ilmu Kesehatan Masyarakat, Keperawatan, dan Kebidanan 19, no. 2 (July 29, 2026): 437–444. Accessed July 31, 2026. https://jurnal.stikesbudiluhurcimahi.ac.id/index.php/jkbl/article/view/537.