Abbas, Asghar, et al. “Degradation of Rhodamine B Using Metal-Based Catalyst through Sulfite Activation With Oxalic Acid As a Chelating Agent”. Frontiers in Engineering, Science & Management, vol. 1, no. 1, Sept. 2026, pp. 34-39, https://journal.mnsuet.edu.pk/index.php/fesm/article/view/9.