Pertiwi, B. C., N. Firginia, M. F. Satyasyauqi, and M. P. N. Matovanni. “Comparative Analysis of Biomass-Based Adsorbents for Heavy Metal Ion Removal”. International Journal of Eco-Innovation in Science and Engineering (IJEISE), vol. 6, no. 1, May 2025, pp. 30-37, https://ijeise.upnjatim.ac.id/index.php/ijeise/article/view/155.