Ta'bi, Widi Aprilia (2024) Sintesis dan Karakterisasi Komposit Biochar Magnetit Sebagai Adsorben Ion Pb2+ dan Cu2+ Pada Limbah Cair Industri Percetakan Sablon = Synthesis and Characterization of Biochar Magnetite Composite as adsorbent of Pb2+ and Cu2+ Ions on Screen Printing Industry Liquid Waste. Thesis thesis, Universitas Hasanuddin.