jundai, ronnarong. “Guidelines on Developing a Holistic Health Care System for the Elderly in Nakhon Nonthaburi Municipality”. King Prajadhipok’s Institute Journal 16, no. 1 (August 19, 2020): 96–110. accessed December 10, 2025. https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/243911.