Hudz, S. (2022) “Optimization of the double-span purlins design sketch in a framework with portal frames through the rafter stays application”, Збірник наукових праць Галузеве машинобудування будівництво/ Academic journal Industrial Machine Building Civil Engineering, 1(56), pp. 30–36. doi: 10.26906/znp.2021.56.2504.