Fieq Abd Alamer, H., & M. F. AL-Khozai, Z. (2017). Ø¹Ø²Ù„ Ø¹Ø§Ø«ÙŠØ§Øª Ø§Ù„Ù…ÙƒÙˆØ±Ø§Øª Ø§Ù„Ø¹Ù†Ù‚ÙˆØ¯ÙŠØ© Ø§Ù„Ø°Ù‡Ø¨ÙŠØ© Ø§Ù„Ù…Ù‚Ø§ÙˆÙ…Ø© Ù„Ù„Ù…Ø«ÙŠØ³ÙŠÙ„ÙŠÙ† ÙˆØ£Ù…ÙƒØ§Ù†ÙŠØ© Ø§Ø³ØªØ®Ø¯Ø§Ù…Ù‡Ø§ ÙÙŠ Ø§Ù„Ø¹Ù„Ø§Ø¬ Ø§Ù„ØÙŠÙˆÙŠ Ø¶Ø¯ Ù…Ø¶ÙŠÙÙ‡Ø§. Al-Qadisiyah Journal of Pure Science, 21(4), 84-104. Retrieved from https://journalsc.qu.edu.iq/index.php/JOPS/article/view/14