ANH, N. K. Cube algebra on multidimentional database. Journal of Computer Science and Cybernetics, [S. l.], v. 18, n. 2, p. 149–154, 2012. DOI: 10.15625/1813-9663/18/2/1601. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1601. Acesso em: 5 may. 2024.