@inproceedings{inproceedings181e5b59, title = {Study of the recovery of copper and silver of printed circuit boards from obsolete computers through onestep acid leaching}, author = {Carvalho, Mariana Alves de and Andrade, Lidiane Maria de and Espinosa, Denise Crocce Romano and TenĂ³rio, Jorge Alberto Soares}, year = {2018}, publisher = {CISA Publisher}, booktitle = {Proceedings SUM2018} }