Mrs.Shobha Rani B R, and Ms. Yashaswini B S. “PREVENTING UNAUTHORIZED ACCESS TO SECURE AREAS: DETECTING PIGGYBACKING AND TAILGATING”. EPRA International Journal of Multidisciplinary Research (IJMR) 9, no. 8 (August 28, 2023): 377–379. Accessed August 25, 2024. https://eprajournals.net/index.php/IJMR/article/view/2650.