FIRMANSYAH, D. Penentuan Kadar Logam Tembaga (Cu) Pada Perairan dan Sedimen Muara Sungai Porong Sidoarjo. SainsTech Innovation Journal, [S. l.], v. 2, n. 1, p. 24–28, 2019. DOI: 10.37824/sij.v2i1.2019.104. Disponível em: https://www.jkqh.uniqhba.ac.id/index.php/sij/article/view/104. Acesso em: 6 may. 2024.