Igberase, E. and Sithole, N. T. (2024) “[Retracted Article] The adsorption of Pb2+ and Ni2+ ions utilizing modified chitosan beads: A response surface methodology and artificial neural network modelling study”, EQA - International Journal of Environmental Quality, 61, pp. 1–15. doi: 10.6092/issn.2281-4485/18471.