Patel, D., D. Trivedi, U. Raval, and A. Dennisan. “2F-Authsys: A Hyperlocal Two-Factor Authentication System Using Near Sound Data Transfer”. Journal of Applied Research and Technology 22, no. 2 (April 30, 2024): 197–205. Accessed July 27, 2024. https://jart.icat.unam.mx/index.php/jart/article/view/2244.