THẢO, Nguyễn Xuân; ĐỊNH, Nguyễn Văn. Rough picture fuzzy set and picture fuzzy topologies. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 31, n. 3, p. 245, 2015. DOI: 10.15625/1813-9663/31/3/5046. Disponível em: https://jcc.vast.vn/jcc/article/view/5046. Acesso em: 4 nov. 2025.