Sustainable Design and Manufacturing 2019 Proceedings of the 6th International Conference on Sustainable Design and Manufacturing (KES-SDM 19) - Ball, Peter; Ball, Peter; Huaccho Huatuco, Luisa; Huaccho Huatuco, Luisa; Howlett, Robert J.; Howlett, Robert J.; Setchi, Rossi; Setchi, Rossi (Springer Singapore : Imprint: Springer, 2019)