“Apply and Evaluate the Effectiveness of the Solutions to Improve the Extra-Curricular Quality of Taekwondo and Karatedo Courses for the Second Year Students of the People’s Police University of Technology and Logistics”. Tạp Chí Khoa học Đào tạo Và Huấn luyện Thể Thao, vol. 1, no. Đặc biệt, Dec. 2019, p. 210, https://tckhupes1.edu.vn/index.php/upes1/article/view/1614.