Adisubroto, Umar, and Togu S. Pardede. “Whale Shark in The Development of Geopark and Sustainable Tourism in Gorontalo, Indonesia”. Jurnal Perencanaan Pembangunan: The Indonesian Journal of Development Planning 5, no. 3 (December 23, 2021): 363–371. Accessed December 22, 2024. https://journal.bappenas.go.id/index.php/jpp/article/view/232.