Nguyen TH, Tran TM. The poetics of mournful language in Ai tư vãn by princess Ngọc Hân. JSTLU-B [Internet]. 2025 Jul. 28 [cited 2026 Sep. 9];4(1):90-101. Available from: https://science.thanglong.edu.vn/index.php/volb/article/view/251