THI, Vu Duc; SON, Nguyen Hoang. On the dense families of database relations. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 24, n. 1, p. 3–11, 2012. DOI: 10.15625/1813-9663/24/1/1223. Disponível em: https://vjs.ac.vn/jcc/article/view/1223. Acesso em: 23 dec. 2025.