LONG, Nguyễn Văn; THÔNG, Hoàng Văn. Information aggregation problem of 4 tuple linguistic based on hedge algebra. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 27, n. 3, p. 241–252, 2012. DOI: 10.15625/1813-9663/27/3/488. Disponível em: https://jcc.vast.vn/jcc/article/view/488. Acesso em: 4 nov. 2025.