มัสแหละ ก, เพชรกุล ร, สมเขาใหญ่ ธ. The Roles of School Administrators to Support the Development Learning Research of the Teachers under the Trang Primary Educational Service Area Office 2. JMND [Internet]. 2018 Jun. 30 [cited 2024 May 6];5(1):45-57. Available from: https://so03.tci-thaijo.org/index.php/JMND/article/view/153393