Ashar, Abdul Adim, and Dwi Hadidjaja Rasjid Saputra. 2021. “Design and Build a Safe Security System Using RFID With E-KTP As a Tag and Monitoring With IoT-Based Esp32-Cam With Telegram Notifications”. Indonesian Journal of Innovation Studies 13 (January), 10.21070/ijins.v13i.527. https://doi.org/10.21070/ijins.v13i.527.