Sonthirak T, Promsit S, Viroja K, Phetcharanarakorn C. THE SCHOOL ADMINISTRATORS’ ROLES IN THE PROMOTION OF LEARNING MANAGEMENT IN ENGLISH SUBJECT OF TEACHERS UNDER UTHAITHANI PRIMARY EDUCATIONAL SERVICE AREA OFFICE 2. JPR [internet]. 2024 Apr. 28 [cited 2026 Sep. 3];7(1):หน้า 148 - 163. available from: https://so03.tci-thaijo.org/index.php/JPR/article/view/272664