Simulation based decision for steelmaking operations challenges. - Marcelo Moretti Fioroni; Luiz Augusto Gago Franzese; Edson Luis M. Harano; Benedito Pedro Costhek; João Bosco Mendes; Joeli Cuzzuol; Juliana de Souza Lima; Ricardo Baeta Santos; Robson Jacinto Coelho; Adriano César Silva; Odair José Kimsr (WSC, 2005)