ÙˆÙ„ÙŠØ¯ Ø®Ø§Ù„Ø¯ Ø§Ù„Ø¹Ø¨Ø¯Ø§Ù„Ù„Ù‡, Ø., Ø¬Ù…Ø¹Ø© Ø¹Ø¨Ø¯Ø§Ù„Ø±ØÙ…Ù†, Ø., & ÙŠÙˆØ³Ù ÙŠØ§Ø³ÙŠÙ†, Ù. 2018 Oct 1. ØªØ£Ø«ÙŠØ± Ø¹Ù‚Ø§Ø± Ø§Ù„Ø³ÙŠØ³Ø¨Ù„Ø§ØªÙŠÙ† ÙˆÙ…Ø§Ø¯Ø© Ø§Ù„Ø«ÙŠÙ…ÙˆÙƒÙŠÙ†ÙˆÙ† ÙÙŠ ÙƒØ¨Ø¯ Ø§Ù„Ø¬Ø±Ø°Ø§Ù† Ø¨Ø¹Ø¯ Ø§Ø³ØªØØ¯Ø§Ø« Ø§Ù„Ø³Ø±Ø·Ø§Ù† ÙÙŠÙ‡Ø§ Ù…Ø®ØªØ¨Ø±ÙŠØ§Ù‹. Tikrit Journal of Pure Science. [Online] 21:4