Mohammed Taher, Mohamed M. Korashy, Ahmed M. Ebid, S. Y. Aboul Haggag. 2021. “Behavior of Gusset Plates in the Lower Chord Four-Member-Joints of N-Shaped Truss”. Design Engineering, December, 1439-55. http://www.thedesignengineering.com/index.php/DE/article/view/7102.