Kranthi Madala, Sushma Chowdary Polavarapu , Sri Hari Nallamala, Y. Somesh Teja. 2020. “Automatic Signal Indication System through Helmet”. International Journal of Advanced Science and Technology 29 (05), 10633 -42. http://sersc.org/journals/index.php/IJAST/article/view/24186.