Vũ Thị Kiều T. The ability of using language of 5-6 years old children in the preparation of enrolling grade 1 at primary schools. SJ TTU [Internet]. 2021Apr.7 [cited 2024May5];4(8):120-4. Available from: https://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/193