Kulbayev, B., V. Lapin, A. Shakhnovich, Y. Shokbarov, and Y. Aldakhov. “THE COMPOSITION OF STRUCTURAL STEEL USED IN THE REPUBLIC OF KAZAKHSTAN AND THE RELATIONSHIP WITH HARDNESS CHARACTERISTICS”. GEOMATE Journal, vol. 27, no. 123, Nov. 2024, pp. 11-19, https://geomatejournal.com/geomate/article/view/4403.