กลิ่นบุบผา ว. From L1 to L2: Writing Problems Faced by Karen and Mon Students as Revealed by Error Analysis. JASU [internet]. 2019 Mar. 21 [cited 2026 Sep. 21];38(1):51-79. available from: https://so04.tci-thaijo.org/index.php/jasu/article/view/181218