“Assessing the Actual Situation of the Breaststroke Swimming Subject Learning Results of National Defense and Security Education Students at the Army Officer College No.1”. Tạp chí khoa học Đào tạo và Huấn luyện Thể thao 1, no. Đặc biệt (December 12, 2019): 175. Accessed December 27, 2024. https://tckhupes1.edu.vn/index.php/upes1/article/view/1605.