Ø§Ù„Ù‡Ø²Ø§Ø¹, Ø., Ø§Ù„Ø¬Ø¨ÙˆØ±ÙŠ, Ø., & Ø§Ù„Ø³Ù†Ø¬Ø±ÙŠ, Ø. 2018 Oct 10. Ø§Ù„Ø³ØÙ†Ø§Øª Ø§Ù„Ø¯Ù‚ÙŠÙ‚Ø© ÙˆØ§Ù„Ø¨ÙŠØ¦Ø© Ø§Ù„ØªØ±Ø³ÙŠØ¨ÙŠØ© Ù„ØªÙƒÙˆÙŠÙ† Ø´Ø±Ø§Ù†Ø´ ÙÙŠ ØÙ‚Ù„ ÙƒØ±ÙƒÙˆÙƒ- Ø´Ù…Ø§Ù„ Ø§Ù„Ø¹Ø±Ø§Ù‚. Tikrit Journal of Pure Science. [Online] 21:7