จอมเทพมาลา ประภาพร. “Effected of Development and Integration for Long Term Care System of Elderly Ranong Province”. Region 11 Medical Journal 31, no. 3 (September 1, 2017): 507–522. Accessed May 21, 2024. https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/171480.