Beneficiation of Iraqi Akash at Phosphate Ore Using Organic Acids for the Production of Wet Process Phosphoric Acid. Al-Khwarizmi Engineering Journal, [S. l.], v. 9, n. 4, p. 24–38, 2013. Disponível em: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/182. Acesso em: 30 apr. 2025.