Tạo, Ngô Quốc, and Phạm Việt Bình. “Simplification of the Contours of Houses”. Journal of Computer Science and Cybernetics 18, no. 3 (July 29, 2012): 262–267. Accessed November 24, 2024. https://vjs.ac.vn/index.php/jcc/article/view/1587.