Siregar, L., Sinaga, R.S. and Sihombing, M. 2025. Implementation of Regional Tax Improvement Services in Calculating Bphtb Based on Land Value Zones E-BPHTB Application at the Regional Revenue Agency Office of Langkat Regency. Journal of Public Representative and Society Provision. 5, 2 (May 2025), 425-430. DOI:https://doi.org/10.55885/jprsp.v5i2.519.