Sinh, Trần Xuân. “Một mở rộng bài toán ‘chiếc Túi’”. <i>Journal of Computer Science and Cybernetics</i> 14, no. 1 (March 14, 2016): 45–51. Accessed April 4, 2026. https://cip.vast.vn/jcc/article/view/7882.