Hassan, P., أ.م., R. Yousif, A., أ.م.علي, Omar Qarani Aziz, D., & أ.م.د.عمر. (2005). EFFECT OF RE-VIBRATION TIME AND STEEL FIBER CONTENT ON THE PROPERTIES OF CRUSHED CEMENT-SAND MORTAR CONCRETE Dr. Al-Rafidain Engineering Journal (AREJ), 13(2), 1–12. https://doi.org/10.33899/rengj.2005.45624