Lục Hưng Q. Selecting exercises for developing the power of speed to improve the efficiency techniques for male students in volleyball elective at Tan Trao University. SJ TTU [Internet]. 2021Apr.16 [cited 2024May18];6(15):104-8. Available from: http://tckh.daihoctantrao.edu.vn/index.php/sjttu/article/view/301