Sharaswati, Ratna, and M.N M. “A Correlation Between Knowledge about Coral Reef Ecosystem and Marine Tourist Attitude Toward Conservation at Pramuka Island, Kepulauan Seribu”. Biosfer: Jurnal Pendidikan Biologi 8, no. 1 (January 17, 2018): 34–38. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/biosfer/article/view/5596.