Pavlović, S. “TECHNO-ECONOMIC ANALYSIS OF CASTELLATED AND SOLID "I"- PROFILED STEEL BEAMS IN TERMS OF LOAD CAPACITY AND SERVICEABILITY”. International Conference on Contemporary Theory and Practice in Construction / Међународна конференција Савремена теорија и пракса у градитељству , vol. 1, no. 13, Oct. 2021, doi:10.7251/STP1813739P.