J. VAMSIKRISHNA, M. J. D. P. Automatic Toll Gate Management and Vehicle Access Intelligent Control System Using Arm7 Microcontroller. International Journal of Engineering and Computer Science, india, v. 3, n. 11, 2014. Disponível em: http://ijecs.in/index.php/ijecs/article/view/2319. Acesso em: 19 may. 2024.