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”. Engineering and Technology For Sustainable Development 32, no. 5 (November 15, 2022): 53–60. Accessed October 28, 2025. https://jst.vn/index.php/etsd/article/view/318.