فهرس المقالات Reza Attarnejad المقاله 1 - Implementing Basic Displacement Function to Analyze Free Vibration Rotation of Non-Prismatic Euler-Bernoulli Beams Pouria Hajikarimi Reza Attarnejad Journal of Structural Engineering and Geotechnics , العدد 1 , السنة 7 , بهار 2017