Safaev, Ubaydulla Abidjanovich, et al. “Mechanisms of Formation and Structure Polymer Salts of Dimethylaminoethyl Methacrylate With Heterocyclic Compounds”. RA Journal Of Applied Research, vol. 7, no. 4, Apr. 2021, pp. 2923-31, doi:10.47191/rajar/v7i4.07.