Ù…Ù†ØµÙˆØ±, Ù. 2018 Jun 1. Ø§Ù„Ø§ØªØµØ§Ù„ ÙÙŠ Ø¸Ù„ Ø§Ù„ØªÙ‚Ù†ÙŠØ§Øª Ø§Ù„ØØ¯ÙŠØ«Ø© ÙˆØ£Ø«Ø±Ù‡ Ø¹Ù„Ù‰ Ø§Ù„Ù…Ø¹Ù„ÙˆÙ…Ø§Øª. Gezira Journal of Economic and Social Sciences. [Online] 6:1