THI, Vũ Đức; THỦY, Phạm Hạ. Type 2 approximate functional dependency and the outliers with functional dependency. Journal of Computer Science and Cybernetics, [S. l.], v. 23, n. 1, p. 80–85, 2012. DOI: 10.15625/1813-9663/23/1/1117. Disponível em: https://jcc.vast.vn/jcc/article/view/1117. Acesso em: 4 nov. 2025.