L.K.Yskak; T.K.Jumadilov; B.Totkhuskyzy; N.Zh.Zhambylbay; N.O.Myrzakhmetova. SORPTION OF LANTHANUM IONS BY THE INTERPOLYMER SYSTEM BASED ON INDUSTRIAL ION EXCHANGERS «AMBERLITE IR-120:AB-17-8». «Доклады НАН РК» 2021, 137-142.