KAEWSOM, U., & Silalaiy, K. . (2023). Quality Assurrance Administrations of Administrators Under Samutsakhon Primary Education Service Area Office: Quality Assurrance Administrations of Administrators Under Samutsakhon Primary Education Service Area Office. RATANABUTH JOURNAL, 5(1), 28–43. retrieved from https://so07.tci-thaijo.org/index.php/rtnb/article/view/2290