(ฝนทิพย์ เพชรด่านเหนือ) Fonthip Phetdannuea, and (ดร.สุธิดา โง่นคำ) Dr.Sutida Ngonkum. “An Analysis of Interlingual Errors and Intralingual Errors in Thai EFL Students’ Writing at Khon Kaen University”. KKU Research Journal (Graduate Studies) Humanities and Social Sciences 4, no. 2 (September 19, 2017): 35–51. Accessed May 17, 2024. https://so04.tci-thaijo.org/index.php/gskkuhs/article/view/99525.