Life Cycle Assessment in automotive sector: a case study for engine valves towards cleaner production - Silva, Diogo Aparecido Lopes; Oliveira, José Augusto de; Filleti, Remo Augusto Padovezi; Oliveira, João Fernando Gomes de; Silva, Eraldo Jannone da; Ometto, Aldo Roberto (Journal of Cleaner Production, 2018)