Kulbayev, Begman, Vladimir Lapin, Alexandr Shakhnovich, Yeraly Shokbarov, and Yerken Aldakhov. “THE COMPOSITION OF STRUCTURAL STEEL USED IN THE REPUBLIC OF KAZAKHSTAN AND THE RELATIONSHIP WITH HARDNESS CHARACTERISTICS”. GEOMATE Journal 27, no. 123 (November 30, 2024): 11–19. Accessed September 13, 2025. https://geomatejournal.com/geomate/article/view/4403.