Thi, Vu Duc, and Nguyen Kim Anh. “Các phụ thuộc yếu Trong Mô hình dữ liệu Quan hệ”. Journal of Computer Science and Cybernetics 6, no. 4 (January 30, 2018): 27–32. Accessed November 22, 2024. https://vjs.ac.vn/index.php/jcc/article/view/11151.