AN ENERGY-EFFICIENT ELECTROCHEMICAL PROCESS FOR THE EXTRACTION OF COPPER FROM SCRAP ELECTRICAL AND ELECTRONIC CIRCUIT. Journal of Pharmaceutical Negative Results, [S. l.], v. 14, n. 1, p. 113–120, 2023. DOI: 10.47750/pnr.2023.14.01.018. Disponível em: https://pnrjournal.com/index.php/home/article/view/7423.. Acesso em: 8 jun. 2026.