Oskouei, Amin Ghaznavi, and Mohsen Gerami. 2011. “Study of Stiffness Effect of Panel Zone on Ductility of RBS Joint”. International Journal of Sustainable Construction Engineering and Technology 1 (1): 1-8. https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/44.