Abu Jamra, Muhammad Muammar, et al. “Reducing Copper (II) Ions from Aqueous Solutions Using Ficus-Activated Carbon ”. The Annual Scientific Conference for Under and Postgraduate Students at the University., vol. 2, Dec. 2024, pp. 6. 38-50, https://conf.asmarya.edu.ly/index.php/scupgs/article/view/833.