Yudistira, Daru Argya, and Isa Mahfudi. 2025. “D DEVELOPMENT OF AN INTEGRATED OFFICIAL VEHICLE DATA MANAGEMENT SYSTEM USING QR CODES AND ACTIVITY LOGS: DEVELOPMENT OF AN INTEGRATED OFFICIAL VEHICLE DATA MANAGEMENT SYSTEM USING QR CODES AND ACTIVITY LOGS”. Jurnal Telkommil 6 (2):70-83. https://doi.org/10.54317/kom.v6i2.653.