CHÂU, T. N.; BAN, Đoàn V. Optimization technique for finding conditional expression using nested indexes. Journal of Computer Science and Cybernetics, [S. l.], v. 27, n. 1, p. 9–22, 2012. DOI: 10.15625/1813-9663/27/1/617. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/617. Acesso em: 28 apr. 2024.