ASHIMKHAN, N.; MURZAGALIYEVA, M.; DARIBAYEVA, G.; SAPIYEVA, A. Development of polyadsorbents based on polyethylenimine and low molecular weight ligands for the extraction of group II metal ions from wastewater. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 4, n. 10 (136), p. 37–46, 2025. DOI: 10.15587/1729-4061.2025.337919. Disponível em: https://journals.uran.ua/eejet/article/view/337919. Acesso em: 5 dec. 2025.