Ù…Ø³Ø¹ÙˆØ¯, Ù., & Ù…Ø³Ø¹ÙˆØ¯, Ù. 2016 Jan 1. Ø£Ø«Ø± Ø§Ù„Ø¬Ø¨Ø§ÙŠØ© Ø§Ù„Ø¨ÙŠØ¦ÙŠØ© ÙÙŠ Ø§Ù„ØØ¯ Ù…Ù† Ø§Ù„ØªÙ„ÙˆØ« Ø§Ù„Ø¨ÙŠØ¦ÙŠ ÙÙŠ Ø§Ù„Ø¬Ø²Ø§Ø¦Ø±. Gezira Journal of Economic and Social Sciences. [Online] 7:1