Hunh TMT, Huynh KTV, Nguyen KX. Developing the ability to use polysemous words through an exercise system for 5th grade students in Cao Lanh city, Dong Thap province. Tạp chí Khoa học Đại học Đồng Tháp [Internet]. 2025 Apr. 15 [cited 2026 Aug. 16];14(6):66-77. Available from: https://dthujs.vn/index.php/dthujs/article/view/1993