Extraction of Manganese Element from Electric Arc Furnace Steel Slag (EAFS) by Liquid-liquid extraction (LLE) method. Journal of Engineering, [S. l.], v. 28, n. 6, p. 39–52, 2022. DOI: 10.31026/j.eng.2022.06.04. Disponível em: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1587.. Acesso em: 20 dec. 2024.