T. A. Ramadani, D. A. Ramadhani, M. E. Fatmawati, N. E. Mayangsari, and U. P. Astuti, “Degradation Of Congo Red Based On Natural Coagulant (Moringa Oleifera)”, ijeise, vol. 6, no. 2, pp. 55–60, Nov. 2025.