Ma’dika, Geraldine Apriceline, Djoko Raharjo, and Kisworo Kisworo. 2021. “Relation Between Chromium Contaminant Profile and Mollusk Community Structure In Opak River: HUBUNGAN PROFIL CEMARAN KROMIUM DENGAN STRUKTUR KOMUNITAS MOLUSKA DI SUNGAI OPAK”. Biospecies 14 (1):67-74. https://doi.org/10.22437/biospecies.v14i1.11970.