GUPTA, DEEPALI, and NARESH KUMAR. “BORDER SURVEILLANCE USING FACE RECOGNITION, MOBILE OTP AND EMAIL”. IIUM Engineering Journal 21, no. 2 (July 4, 2020): 143–152. Accessed May 20, 2026. https://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/1322.