สุริย์ ก, มุขแจ้ง ก, พงศ์ประไพ ว. Factors Associated with Changes in Sleep Quality Among Elderly at Urban Community, Nakhon Sawan Province. R3 Med PHJ [Internet]. 2024Dec.24 [cited 2026Nov.11];21(4):343-51. Available from: https://thaidj.org/index.php/smj/article/view/15829