Efendi, Y., 		Nurdiana, J., 		Agustina, F., 		Campina, T., & 		Sefira, A.
2024 Mar 13.  Population Density and Distribution Pattern of Sea Urchin (Diadema Setosum) in Abang Island, Batam. BioEksakta : Jurnal Ilmiah Biologi Unsoed. [Online] 6:1