Chankaew, Phimpha, Premruetai Noimuenwai, and Jiraporn Wattanasrisin. 2021. “Factors Influencing Morale of Professional Nurses in the Area of Three Southern Border Provinces”. Journal of Research in Nursing-Midwifery and Health Sciences 41 (3):35-49. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/247027.