LOAN, P. N. Grammatical Problems in Essay Writing: A Case in Vietnamese University, Vietnam. The International Journal of Humanities & Social Studies, [S. l.], v. 9, n. 9, 2021. DOI: 10.24940/theijhss/2021/v9/i9/HS2109-051. Disponível em: https://www.internationaljournalcorner.com/index.php/theijhss/article/view/166900. Acesso em: 19 may. 2024.