Chernyakova R.M., Jussipbekov U.Zh., Sultanbayeva G.Sh., Kaiynbayeva R.A., и Kozhabekova N.N. «SORPTION OF MANGANESE (II) AND VANADIUM (IV) CATIONS BY TAGAN BENTONITE IN AN AQUEOUS MEDIUM». Известия НАН РК. Серия химических наук, вып. 4, август 2021 г., сс. 68-74, https://journals.nauka-nanrk.kz/chemistry-technology/article/view/1905.