วัดอุดม ทวีศักดิ์, and วิเศษพลชัย บุษบงก์. “Development of Happy Organization Model of Community Hospital, Phetchaburi Province”. Journal of Health Science of Thailand 29, no. 1 (February 28, 2020): 122–130. Accessed December 12, 2025. https://www.thaidj.org/index.php/JHS/article/view/9763.