Syahpitri, Eliana, Nina Siti Salmiah, and Beby Masitho Batubara. 2025. “Implementation of Presidential Regulation Number 39 of 2019 Concerning One Data Indonesia in Langkat District Government”. Journal of Public Representative and Society Provision 5 (2):407-16. https://doi.org/10.55885/jprsp.v5i2.530.