Artificial Coral Reef Growth Media Model Engineering from Ceramic Ni Putu Muliawati, I Made Dwi Setiadi, Guino Verma, Maya Larasati Donna Wardani and Geby Otivriyanti E3S Web Conf., 348 (2022) 00033 Published online: 28 April 2022 DOI: 10.1051/e3sconf/202234800033