First name
Joni
Middle name
Welman
Last name
Simatupang
Simatupang, J. W., & Tambunan, R. W. (2022). Security Door Lock Using Multi-Sensor System Based on RFID, Fingerprint, and Keypad. In 2022 International Conference on Green Energy, Computing and Sustainable Technology (GECOST) (pp. 453–457).