THẠNH, L. M.; TUẤN, T. C. Query optimization in deductive databases by magic-sets transformation. Journal of Computer Science and Cybernetics, [S. l.], v. 19, n. 3, p. 233–242, 2012. DOI: 10.15625/1813-9663/19/3/1530. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1530. Acesso em: 6 may. 2024.