LEVY, Salomon. Producing Concrete in a Ecological and Politically Correct way. Exacta, [S. l.], v. 4, n. 2, p. 375–384, 2008. DOI: 10.5585/exacta.v4i2.771. Disponível em: https://periodicos.uninove.br/exacta/article/view/771. Acesso em: 17 jul. 2024.