G. A. Wardani, C. K. Putri, F. Gustaman, T. Hidayat, and E. Nofiyanti, “Chitosan-Activated Charcoal of Modified Corn Cobs as an Antibiotics Adsorbent”, Walisongo J. Chem., vol. 5, no. 2, pp. 167–176, Dec. 2022.