“Density of Mollusc Biota Genus Nerita in the Littoral Zone, Simeulue Tengah District, Simeulue Regency, Aceh Province”. 2023. Arwana: Jurnal Ilmiah Program Studi Perairan 5 (2): 169-75. https://doi.org/10.51179/jipsbp.v5i2.2006.