Samadi, et al. “Safe and Sustainable Snorkelling Spot on Tidung Island, Thousand Islands DKI Jakarta”. ICHELSS: International Conference on Humanities, Education, Law, and Social Sciences, vol. 2, no. 1, Nov. 2022, pp. 483-9, https://journal.unj.ac.id/unj/index.php/hispisi/article/view/30913.