Vinh, Lê Xuân, and Trần Thiên Thành. “Some Problems on Multivalued Dependencies in Fuzzy Databases With Linguistic Data”. <i>Journal of Computer Science and Cybernetics</i> 28, no. 1 (June 21, 2012): 89–102. Accessed November 5, 2025. https://jcc.vast.vn/jcc/article/view/1067.