Maulida, H., Valendi, I. R., Nugraha, O. and Ranuharja, F. (2023) “Prototyping a Secure Key Management System: Integrating RFID and Keypad Technologies for Enhanced Safe Protection”, Journal of Hypermedia & Technology-Enhanced Learning, 1(2), pp. 91–99. doi: 10.58536/j-hytel.v1i2.73.