M.E, B.E, B.E, B.E, P.Ramya, V.Linga vignesh, I.Mahalakshmi, C.Tharani,. 2014. “Bus Navigation System With Effective Data Transmission Using GPS and Wireless Transmitter”. International Journal of Engineering and Computer Science 3 (03). india. http://ijecs.in/index.php/ijecs/article/view/173.