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Amangeldykyzy, A.; Kopobaуeva A.; Askarova, N.; Ozhigin, D.; Portnov, V. Study of Rare Earth Elements in the Coals of the Shubarkol Deposit. Kompl. Ispolz. Min. Syra = Compl. Use of Min. Resour. 2021, 319, 48-56.