Phibunthannanan, W., & Podapol, C. (2024). Administrative Work According to Sankhahavatthu 4 Principles of Educational Institute Administrators Under Loei Primary Educational Service Area Office 1: Administrative Work According to Sankhahavatthu 4 Principles of Educational Institute Administrators Under Loei Primary Educational Service Area Office 1. RATANABUTH JOURNAL, 6(1), 561–574. retrieved from https://so07.tci-thaijo.org/index.php/rtnb/article/view/4498