N. F. Lokman, N. A. S. Anuar, T. Chia-Chay, and A. A. Abu-Bakar, “ECONOMICAL KNF-CHT-ALG BEADS FOR THE ADSORPTION OF PB (II) IONS IN WATER”, I-iECONS, vol. 10, no. 1, pp. 58–64, Aug. 2023.