Dathumma, Chanisa. “DEVELOPMENT OF ENGLISH LANGUAGE SKILLS TRAINING CURRICULUM FOR NON-ENGLISH MAJOR TEACHERS IN ONGKHARAK SCHOOL IN NAKHON NAYOK PROVINCE”. Phranakhon Rajabhat Research Journal : Humanities and Social Sciences 19, no. 1 (June 30, 2024): 183–210. accessed September 11, 2026. https://so05.tci-thaijo.org/index.php/PNRU_JHSS/article/view/270207.