Sangkhaphan S. DEVELOPMENT OF CURRICULUM ENHANCEMENT OF TEACHER COMPETENCY IN LEARNING MANAGEMENT FOR ENGLISH LISTENING AND SPEAKING SKILLS INTEGRATING ASEAN CONTENT UNDER ROI ET PROVINCIAL EDUCATION OFFICE. AJMBU [internet]. 2023 Dec. 26 [cited 2026 Aug. 30];12(2):553-66. available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/271192