Nguyen, Thi Thao, Duc Trung Nguyen, Thi Hinh Dinh, and Vu Diem Ngoc Tran. “Recovery of ZnO and Cu from Brass Smelter Slag by Hydrometallurgy Process”. JST: Engineering And Technology For Sustainable Development 32, no. 5 (November 15, 2022): 53–60. Accessed August 21, 2025. https://jst.vn/index.php/etsd/article/view/318.