kiran, C. T. ., and K. R. . Devi. “BUCKLING ANALYSIS OF COLD FORMED STEEL CHANNEL SECTIONS WITH AND WITHOUT STIFFENERS”. International Journal of Technical Innovation in Modern Engineering & Science, vol. 5, no. 4, Apr. 2019, pp. 921-9, https://ijtimes.com/index.php/ijtimes/article/view/2871.