Kunracha, Suparerk, Nuntita Kunracha, and Phitsanurak Kanthawee. “Effectiveness of the environmental health literacy program in prevention of health effects from particles less than 2.5 micrometers in diameter (pm2.5) by village health volunteers (VHV) in Mae Chan District, Chiang Rai Province”. Chiangrai Medical Journal 18, no. 2 (August 29, 2026): 51–64. accessed September 2, 2026. https://he01.tci-thaijo.org/index.php/crmjournal/article/view/283290.