The concentration of Mn and Fe metals in water and sediment of the Sanga-Sanga River, East Kalimantan Province. Jurnal Ilmu Perikanan Tropis Nusantara (Nusantara Tropical Fisheries Science Journal), [S. l.], v. 4, n. 2, p. 146–153, 2025. DOI: 10.30872/cb0p9x16. Disponível em: https://e-journals2.unmul.ac.id/index.php/jipt/article/view/3185. Acesso em: 3 dec. 2025.