"EFFECT OF VOLUME OF STEEL FIBERS ON THE PUNCHING SHEAR BEHAVIOR OF HYBRID REINFORCED CONCRETE FLAT SLAB". 2016. مجلة الهندسة والتنمية المستدامة 20 (2): 24-38. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/655.