Dito Aditia Darma Nasution, Galih Supraja and Annisa Fajariah Damanik 2023. Model Policy On Collection Of Land And Building Tax In Pematang Serai Village, Langkat Regency. International Journal Of Humanities Education and Social Sciences. 2, 5 (Apr. 2023). DOI:https://doi.org/10.55227/ijhess.v2i5.464.