Khan, Azeem, NZ Jhanjhi, and Mamoona Humayun. “Secure Smart and Remote Multipurpose Attendance Monitoring System”. EAI Endorsed Transactions on Energy Web 7, no. 30 (May 15, 2020): e5. Accessed May 18, 2024. https://publications.eai.eu/index.php/ew/article/view/849.