Choki, D. ., T. . Penjor, T. . Phuntsho, D. K. . Rai, and K. . Muramatsu. “Design of Electronic Voting System for Visually Impaired Persons Using Arduino Mega 2560”. Bhutan Journal of Research and Development, Apr. 2022, doi:10.17102/bjrd.rub.10.2.015.