Seangatith S, Thumrongvut J. EXPERIMENTAL INVESTIGATION ON SQUARE STEEL TUBED RC COLUMNS UNDER AXIAL COMPRESSION. Suranaree J Sci Technol [internet]. 2026 Aug. 27 [cited 2026 Sep. 11];16(3):205-20. available from: https://ph04.tci-thaijo.org/index.php/SUJST/article/view/13518