Kemathad, Chayanisa, Waew Wijit, Suttha Praesi, Amavasee Ampansirirat, Kesaraporn Choopun, Boonsiri Sriyod, and Chanyanisa Kunon. “The Secret of Long Living: A Case Study from Northern Thai Elderly Villagers”. Journal of Nursing and Public Health Research 5, no. 3 (November 12, 2025): e275105. accessed September 23, 2026. https://he02.tci-thaijo.org/index.php/jnphr/article/view/275105.