Thu Huyen, N. T.; Dung, D. T.; Giang, N. H.; Binh Thanh, N. D.; Tung, M. T.; Bich Thuy, H. T. Optimization of the Leaching Process of the Printed Circuit Boards production’s Sludge for Copper Recovery via Electrolysis. VJChem 2017, 55, 254.