หะยีสะนิ นูรุลฮูดา, and อังศุวิริยะ ณฐ. “Investigatigating the Mistakes in Thai Essay Writing Among Native Thai Secondary Students: A Case of the Three Southern Provinces of Thailand”. Research and Development Journal, Loei Rajabhat University 14, no. 49 (January 8, 2020): 31–40. accessed September 28, 2026. https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/189132.