Ehab B. Matar, Ossama M. Elhossieny, Reda M. Ghamry, Hassan M. Maaly,. 2021. “Numerical Study of Stiffened Cold-Formed Steel Apex Moment Connection”. Design Engineering, July, 1985- 2006. http://www.thedesignengineering.com/index.php/DE/article/view/2524.