For citations:

Naibova T.M., Yusubov F.V., Amirov F.A., Abbasova K.G. Optimization of the process of obtaining an ion exchanger based on a carbamide-phenol-formaldehyde oligomer. Plasticheskie massy. 2022;(9-10):25-27. (In Russ.) https://doi.org/10.35164/0554-2901-2022-9-10-25-27