M. R. . Mirhamidovich, M. N. . Kuchkarbaevna, and S. Z. . Asanalievna, “To Develop a Method of Sorbtion Spectroscopic Determination of Some Rare Metals in the Technological Waste Content that is Formed in the Production of Copper”, Mid. Eur. Scin. Bul, vol. 23, pp. 158-162, Apr. 2022.