Ngôn, Nguyễn Chí, and Ngô Lê Ngọc Bích. “Algorithm Development of an Intelligent Traffic Light Control System”. <i>Journal of Computer Science and Cybernetics</i>, vol. 28, no. 4, Dec. 2012, pp. 373-8, doi:10.15625/1813-9663/28/4/1371.