فهرس المقالات masood yakhchalian المقاله 1 - Equivalent Viscous Damping in Steel Structures Equipped with Dampers. 10.22094/jseg.2021.688672 Seyed Behdad Alehojjat Omid Bahar Masood Yakhchalian Journal of Structural Engineering and Geotechnics , العدد 27 , السنة 11 , پاییز 1400