Hưng, Trần Duy, and Nguyễn Ngọc Cương. “Automatic Language Recognition of Written English”. <i>Journal of Computer Science and Cybernetics</i> 18, no. 3 (July 29, 2012): 268–272. Accessed November 3, 2025. https://jcc.vast.vn/jcc/article/view/1589.