D. P. Wijaya, R. Bonaventura, N. Munandar, F. Hutagalung, and C. Anwar, “Adsorption-Desorption of Cd(II) and Mg(II) Ions by Dithizone-Immobilized Coal Bottom Ash”, Indones. J. Chem. Stud., vol. 4, no. 2, pp. 92–100, Dec. 2025.