Nababan, Yoel Nopriadi. “Scuba Diving As Sustainability Economic Marine Ecotourism: Scuba Diving As Sustainability Economic Marine Ecotourism”. Journal of Oceanography and Aquatic Science 1, no. 2 (May 30, 2023): 28–32. Accessed October 5, 2025. https://journals.eduped.org/index.php/joane/article/view/338.