Unapak P, Wongwatkasem W, Romsri S. Administrative conditions of registration and measurement educational institutions under Provincial Administrative Organization of Ubon Ratchathani Province. JDSC [internet]. 2022 Dec. 29 [cited 2026 Aug. 28];9(3):665-78. available from: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/265406