Density of Sea Urchin Species (Echinoidea) in The Intertidal Zone of Taruan and Gemeh Subdistricts of Gemeh, Talaud Islands Regency. JPLT [Internet]. 2025 Nov. 10 [cited 2026 Sep. 30];13(4):326-41. Available from: https://ejournal.unsrat.ac.id/v3/index.php/jplt/article/view/64776