THUẦN, Hồ; ĐỊNH, Nguyễn Văn. The relationship between direct determination and FD-graph. Journal of Computer Science and Cybernetics, [S. l.], v. 18, n. 1, 2012. DOI: 10.15625/1813-9663/18/1/2406. Disponível em: https://vjs.ac.vn/jcc/article/view/2406. Acesso em: 5 dec. 2025.