สัพโส ส, สมศรีสุข อ, เพ็งสวัสดิ์ ว. The Development of Creative Leadership Indicators of Primary School Directors under Primary Educational Service Area Offices in Sakon Nakhon Province. J Roi Et [internet]. 2019 Dec. 18 [cited 2026 Aug. 31];13(3):37-45. available from: https://so03.tci-thaijo.org/index.php/reru/article/view/180574