PHƯỚC, T. V.; HIỆP, L. Đình. The model representing the spatial objects based on the fuzzy theory and linguistic variable. Journal of Computer Science and Cybernetics, [S. l.], v. 19, n. 4, p. 307–314, 2012. DOI: 10.15625/1813-9663/19/4/1539. Disponível em: https://vjs.ac.vn/index.php/jcc/article/view/1539. Acesso em: 3 may. 2024.