Bhagavan, K, B Yaswitha Reddy, T Krishna Sujay, and T Sravan Kumar. “Density Based Traffic Light Controlling System Using IOT”. International Journal of Engineering & Technology 7, no. 2.32 (May 31, 2018): 371–373. Accessed April 28, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/15716.