หมีทอง เตชิตา. 2021. “A Study of Personnel Management in Schools under Nakhonsawan Primary Education Service Area Office 3”. Education Journal Faculty of Education, Nakhon Sawan Rajabhat University 4 (3). Nakhon Sawan,Thailand:23-30. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/250142.