P. R. Sharipov and M. N. Norbutaeva, “Improving an Efficient Wastewater Treatment Technology Based on Cation Exchanges and Natural Biopolymers”, J. Nat. Sci. Res. Rev., vol. 2, no. 06, pp. 164–166, Jun. 2026, doi: 10.65150/EP-jnsrr/V2E6/2026-01.