IGBERASE, Ephraim; SITHOLE, Nastassia Thandiwe. [Retracted Article] The adsorption of Pb2+ and Ni2+ ions utilizing modified chitosan beads: A response surface methodology and artificial neural network modelling study.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, [S. l.], v. 61, p. 1–15, 2024. DOI: 10.6092/issn.2281-4485/18471. Disponível em: https://eqa.unibo.it/article/view/18471. Acesso em: 18 dec. 2024.