SIRIMART, S., & Sodium, P.- on. (2023). Ethical Leadership Affecting Efficiency of Personnel Management of Schools Under Loei Primary Education Service Area Office 1: Ethical Leadership Affecting Efficiency of Personnel Management of Schools Under Loei Primary Education Service Area Office 1. RATANABUTH JOURNAL, 5(1), 558–573. retrieved from https://so07.tci-thaijo.org/index.php/rtnb/article/view/2682