Anantasya AW, Ichsan B. Relationship between Education Level, Social Relationships, and Sleep Quality towards the Quality of Life of Pre-Elderly People in Laweyan District. JVNUS [Internet]. 2025May30 [cited 2025Jun.1];7(1):47-52. Available from: https://ojs.stikesmucis.ac.id/index.php/jvnus/article/view/809