Sơn, Trần Thái. “A Method of Computing Quantifield Sematic Values of Any Element of Heldge Algebra”. Journal of Computer Science and Cybernetics 26, no. 1 (April 26, 2012): 45–54. Accessed April 28, 2024. https://vjs.ac.vn/index.php/jcc/article/view/477.