Karaman N, Susilowati, Billah M, Susilowati T. Isolation of Zn and Cr in Biosolid Waste by Extraction Process Using Sulfuric Acid. nuscientech [Internet]. 2021Nov.12 [cited 2025Mar.9];:30-4. Available from: https://nstproceeding.com/index.php/nuscientech/article/view/483