Fona, Tari Rizkya, and M. Ridwan. “Efektivitas Pelayanan Pembuatan Surat Izin Usaha Perdagangan (SIUP) Pada Dinas Penanaman Modal Pelayanan Terpadu Satu Pintu Provinsi Sumatera Utara”. Innovative: Journal Of Social Science Research 3, no. 4 (September 24, 2023): 8270–8280. Accessed June 12, 2026. https://j-innovative.org/index.php/Innovative/article/view/4328.