Yudistira, Daru Argya, et al. “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, vol. 6, no. 2, Oct. 2025, pp. 88-99, doi:10.54317/kom.v6i2.653.