Rogahang, Jefri, et al. “Strategi Peningkatan Pendapatan Asli Daerah Melalui Retribusi Sektor Pariwisata Di Provinsi Sulawesi Utara”. Innovative: Journal Of Social Science Research, vol. 3, no. 2, June 2023, pp. 8735-49, https://j-innovative.org/index.php/Innovative/article/view/1441.