Santoso, Eko, Hendro Yuwono, and Yohana Ratnawati. 2025. “The Isotherm Adsorption of Cu2+ Ions in Aquoeus Solutions by Cross-Linked Chitosan-Cellulose Membrane Composite”. IPTEK The Journal for Technology and Science 18 (4):103-9. https://journal.its.ac.id/index.php/jts/article/view/5921.