M. ALI, Israa Shakir. Experimental Study on the Removal Process of Cobalt from Fly Ash using Different Solvents. Nahrain University College of Engineering Journal, [S. l.], v. 17, n. 2, p. 197–202, 2014. Disponível em: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/222.. Acesso em: 23 dec. 2024.