1. Maltseva V. S., Tatarenko Y. Y, Nekrasova I. S. // Methods for treating industrial wastewater: Reports of the International Scientific and Practical Conference, Moscow, 2003. Part 2. M, - 2004. - p. 217–218.
2. Determination of the optimal conditions for the electrochemical reduction of chromium (VI) ions // Uzbek Chemical Journal, 2017 No. 3, pp. 3–8.
3. Ermidi V.P., Iztleuov G.M. Wastewater purification from chromium (vi) ions // International Student Scientific Bulletin. - 2015. - No. 3-3.
4. Kolesnikov V.P., Wilson E.V. Modern development of technological processes for wastewater treatment in combined facilities: Ed. Academician of Housing and Public Utilities of the Russian Federation V.K. Gordeeva-Gavrikov. - Rostov-on-Don: Yug Publishing House, 2005. - 217 p.
5. V. I. Aksenov, ed. Water management of industrial enterprises. Book 1. M.: “Heat engineer”, 2005.-279 p.