Phan, Van Hoa, and Thi Tuyet Nhung Gia. “An Investigation into Grammatical Metaphor in IELTS Writing Tests”. VietTESOL International Convention Proceedings 1 (October 29, 2024). Accessed December 23, 2024. https://proceedings.viettesol.org.vn/index.php/vic/article/view/199.