Ardian, J. 2023. Hubungan Tingkat Konsentrasi Pencemar Kromium Dalam Air dan Sedimen dengan Sruktur Komunitas Moluska Sungai Opak Bagian Hilir Kabupaten Bantul: The Relation of Chromium Pollutant Concentration Level in Water and Sediment toward Mollusc Community Structure in the Downstream of Opak River Bantul Regency. Biospecies. 16, 1 (Jan. 2023), 46–54. DOI:https://doi.org/10.22437/biospecies.v16i1.21327.