WULANDARI, M.; HARFADLI, M. M.; RAHMANIA, R. Penentuan Kondisi Kualitas Perairan Muara Sungai Somber, Balikpapan, Kalimantan Timur dengan Metode Indeks Pencemaran (Pollution Index). SPECTA Journal of Technology, [S. l.], v. 4, n. 2, p. 23–34, 2020. DOI: 10.35718/specta.v4i2.186. Disponível em: https://journal.itk.ac.id/index.php/sjt/article/view/186. Acesso em: 13 dec. 2024.