1. EN 1993-1-1. Eurocode 3. Design of steel structures -Part 1-1: General rules and rules for buildings, 2005.
2. Buckling length factors of hollow section members in lattice girders (Master’s Thesis);Boel,2010
3. AISC 360-16. Specification for Structural Steel Buildings 2016:1–676.
4. AS/NZS 4600. Australian/ New Zealand Standard, Cold-formed steel structures, 2018.
5. EN 1993-1-1. Eurocode 3. Design of steel structures -Part 1-1: General rules and rules for buildings, 2022.