1. HanSun Cho, InGi Park, DongMin Lee, JunSeok Park, Improvement of the Estimation Method for Traffic Congestion Costs, The korea Transport Institute Research Report 2007-07, Gyeonggi-do, Korea, July 2007, pp. 1–219.
2. Traffic Control Systems Handbook;Gordon,2005
3. Local density estimation and dynamic transmission-range assignment in vehicular ad hoc networks;Artimy;IEEE Transactions on Intelligent Transportation Systems,2007
4. GangDo Seo, Distributed traffic signal control using prediction model of intersection queue length, Ph.D. Thesis, School of Electronics Engineering College of it Engineering, Kyungpook University, 2009.