Efendi, Y., Nurdiana, J., Agustina, F., Campina, T., & Sefira, A. (2024). Population Density and Distribution Pattern of Sea Urchin (Diadema Setosum) in Abang Island, Batam. BioEksakta : Jurnal Ilmiah Biologi Unsoed, 6(1), 1-6. doi:10.20884/1.bioe.2024.6.1.9755