[1]
M. . Billah, D. N. . Rohmah, F. A. . Sholahuddin, R. . Panjaitan, K. N. . Wahyusi, and R. Dewati, “Reducing Zinc and Chromium in Wastewater Treatment Biosolid Through Sulfuric Acid Extraction”, nuscientech, pp. 367-369, Nov. 2022.