Riyanti, F., H. Hasanudin, A. Rachmat, W. Purwaningrum, and P. L. Hariani. “Photocatalytic Degradation of Methylene Blue and Congo Red Dyes from Aqueous Solutions by Bentonite-Fe3O4 Magnetic”. Communications in Science and Technology, Vol. 8, no. 1, July 2023, pp. 1-9, doi:10.21924/cst.8.1.2023.1007.