ØØ³ÙŠÙ†, Ù. 2018 Oct 11. Ø§Ù„ÙˆØ§Ù‚Ø¹ Ø§Ù„Ø§ÙØªØ±Ø§Ø¶ÙŠ ÙˆØ¯ÙˆØ±Ù‡ ÙÙŠ Ø¯Ø¹Ù… Ø§Ù„Ù‚ÙˆØ§Øª Ø§Ù„Ù…Ø³Ù„ØØ© ÙˆØ§Ù„Ø§Ø¬Ù‡Ø²Ø© Ø§Ù„Ø³Ø§Ù†Ø¯Ø© Ù„Ù‡Ø§. Tikrit Journal of Pure Science. [Online] 21:7