Lubis, Z. and Ramadani , F.Q. 2025. Design of the Public Complaint Application for the Office of Public Works and Housing Department of Langkat Regency, North Sumatra. TOFEDU: The Future of Education Journal. 4, 2 (Feb. 2025), 396–401. DOI:https://doi.org/10.61445/tofedu.v4i2.435.