Ali, N., Salahaldin, A., & Hamza, A. (2015). Impact Analysis of Reinforced Concrete Columns with Side Openings Subjected to Eccentric Axial Loads. مجلة الهندسة, 21(2), 1-19. استرجع في من http://joe.uobaghdad.edu.iq/index.php/main/article/view/462