1. www.google.com
2. Research on GPS Positioning Information Transfer Based on Wireless Network, Shuiping Wei, Bangyan Ye, Zhiguang Fu, (2007) 28(6): 589–592.
3. "Mobile Location Services Development and Implementation Based on Android Platform," by Jianxun Zhao, Modern Business Trade Industry, October 2010, pp. 271-272.
4. 2013. Applied Mechanics and Materials published "Autonomous Robots Path Planning: An Adaptive Roadmap Approach," written by M. Elbanhawi, M. Simic, and R. N. Jazar.
5. Monica (2016). A tracking mechanism for vehicle breakdown assistance stations. Vol. 3, No. 4, pages 13–16, International Journal of Scientific Research Advancement