Khôi, Lê Hải. “Algorithms for Refining the Rules Set and Building the Regular Rule-Based System of the Expert System”. <i>Journal of Computer Science and Cybernetics</i> 17, no. 2 (August 1, 2012): 20–26. Accessed January 12, 2026. https://jcc.vast.vn/jcc/article/view/2439.