Sirivirotjanakul, T., & Netklang, K. (2021). Guidelines for Managing Stress in Working of School Administrators under Chaiyaphum Primary Educational Service Area Office 3. Ratchaphruek Journal, 19(1), 58–66. retrieved from https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/247042