KHDIR, M. K., TAHA, B. O. and ABDULRAHMAN, A. R. (2021) “BEHAVIOR OF SQUARE REINFORCED CONCRETE COLUMNS STRENGTHENED BY DIFFERENT LAYERS OF GLASS FRP SHEETS”, Journal of Duhok University, 23(2), pp. 720-730. Available at: https://journal.uod.ac/index.php/uodjournal/article/view/973 (Accessed: 26February2021).