Umirov F.E., Fayzullaev N.I., Usanbayev N.Kh., Umirov U.F., Muzaffarov A.M., Pirnazarov F.G., “Mineralogical and Technological Evaluation of Saponites of the Uchtut Residential Place in the Republic of Uzbekistan”, IJCA, vol. 13, no. 4, pp. 230 - 236, May 2020.