Tạo, Ngô Quốc, and Đỗ Năng Toàn. “Some Methods Improving Efficiencies of the Mark Recognizing for Designing Automatic Survey Entry System MarkRead”. <i>Journal of Computer Science and Cybernetics</i>, vol. 16, no. 3, Apr. 2013, pp. 65-74, doi:10.15625/1813-9663/16/3/2909.