Trinh Van Tuyen, Do Van Manh, Nguyen Tuan Minh, Pham Thi Doan, V. H. Tap, and T. M. Viet, “Study on the recycle of steel slag as an adsorbent for COD removal in pulp mill wastewater”, Vietnam J. Sci. Technol., vol. 60, no. 4, pp. 675–690, Aug. 2022.