Wahyuningsih, T., Natalia, D., Supiyanto, & Astuti, R. (2026). 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(2), 437–444. https://doi.org/10.62817/jkbl.v19i2.537