R.Odaiah, G.Gopi, A.Mounika, and B.Aditya Nair. 2018. “DESIGN OF ELECTRONIC VOTING MACHINE BASED ON IMAGE PROCESSING USING RASPBERRY PI”. International Journal of Advance Engineering and Research Development (IJAERD) 5 (4):520-26. https://www.ijaerd.org/index.php/IJAERD/article/view/5569.