Ø§Ù„Ø¨Ø¯Ø±Ø§Ù†ÙŠ, Ø., & Ø§Ù„Ù…ÙˆÙ„Ù‰, Ø. 2018 Oct 11. Ù…Ù‚Ø§Ø±Ù†Ø© Ø¨ÙŠÙ† Ø·Ø±ÙŠÙ‚ØªÙŠ Ø§Ù†ØØ¯Ø§Ø± Ø§Ù„Ù…ÙƒÙˆÙ†Ø§Øª Ø§Ù„Ø±Ø¦ÙŠØ³Ø© ÙˆØ§Ù„Ù…Ø±Ø¨Ø¹Ø§Øª Ø§Ù„ØµØºØ±Ù‰ Ø§Ù„Ø¬Ø²Ø¦ÙŠØ© Ù…Ø¹ Ø§Ù„ØªØ·Ø¨ÙŠÙ‚ Ø¹Ù„Ù‰ Ù…Ø¹Ù…Ù„ Ø¥Ø³Ù…Ù†Øª ÙƒØ±ÙƒÙˆÙƒ. Tikrit Journal of Pure Science. [Online] 21:7