Thuần, Hồ, and Trần Thiên Thành. “On Functional Dependencies and Multivalued Dependencies in Fuzzy Relational Databases”. <i>Journal of Computer Science and Cybernetics</i> 17, no. 2 (August 1, 2012): 13–19. Accessed November 5, 2025. https://jcc.vast.vn/jcc/article/view/2438.