M. Kurnia, S. Suprapto, and Y. L. Ni’mah, “Adsorption of Remazol Blue And Indigosol Yellow Mixed Dyes Using Bidara Arab Leaves (Ziziphus spina-christi)”, Ind. J. Chem. Anal, vol. 7, no. 1, pp. 23–33, Mar. 2024.