Le, Thi Trung Dinh. “Grammatical Error Analysis of EFL Learners’ English Writing Samples: The Case of Vietnamese Pre-Intermediate Students”. International Journal of TESOL & Education 3, no. 4 (November 7, 2023): 1–14. Accessed June 7, 2025. https://i-jte.phamho.com/index.php/journal/article/view/401.