Evaluating the difficulty level of objective multiple-choice test questions in the foundation module in the Physical Education course for students at the Vietnam National University of Agriculture. jstsc [Internet]. 2024 Dec. 10 [cited 2025 Apr. 4];(Đặc biệt):95. Available from: https://tckhupes1.edu.vn/index.php/upes1/article/view/2134