Nguyễn Văn T. Researching about selection of some exercises for improving technical smash efficiency to demand for student female bridge of Tan Trao University. SJ TTU [Internet]. 2022Oct.10 [cited 2024May19];5(13):94-7. Available from: http://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/266