Prom-ok T, Nirunthawee S. FACTORS AFFECTING ENGLISH TEACHING QUALITY IN THE VIEW OF ENGLISH TEACHERS IN THE SECONDARY SCHOOLS UNDER THE SECONDARY EDUCATIONAL SERVICE AREA OFFICE 2. AJMBU [internet]. 2023 Dec. 27 [cited 2026 Aug. 31];12(2):259-71. available from: https://so01.tci-thaijo.org/index.php/AJMBU/article/view/270094