Ponyon, Nattaphon. 2024. “Development of Health Literacy and Health Behaviors in Rational Drug Use among Village Health Volunteers, That Phanom District, Nakhon Phanom Province”. Medical Journal of Sakon Nakhon Hospital 26 (1). Sakon Nakhon, Thailand:89-100. https://he05.tci-thaijo.org/index.php/JSakonNakHosp/article/view/2775.