Pazhnaisamy, P.; Hidayah, E. N.; Sulania, I. . Poly (N-Tert-Amylacrylamide -Co- Acrylamide/ Sodium Acrylate) Fe3O4 Nanocomposite Hydrogels As Polymer Catalyst for the Reduction of Methylene Blue Dye. ijeise 2024, 3.