Ridhwan, Muhammad, Nurlena Andalia, and Husna Husna. “Porifera Community Structure As a Bioindicator of Tourism Impacts at Iboih Beach, Sabang”. Biological Environment and Pollution 5, no. 1 (June 28, 2025): 58–68. Accessed August 1, 2025. https://pubs.ascee.org/index.php/bioenvipo/article/view/974.