Ø§Ù„Ø¨Ø´ÙŠØ±, Ø., & Ø¹Ø«Ù…Ø§Ù†, Ø. 2011 Jan 1. Ø§Ù„Ø±Ø¶Ø§ Ø§Ù„ÙˆØ¸ÙŠÙÙŠ ÙˆØ¹Ù„Ø§Ù‚ØªÙ‡ Ø¨Ø¸Ø§Ù‡Ø±Ø© Ø§Ø³ØªÙ…Ø±Ø§Ø± Ø§ØºØªØ±Ø§Ø¨ Ø§Ù„Ø³ÙˆØ¯Ø§Ù†ÙŠÙŠÙ† Ù…Ù† ØÙ…Ù„Ø© Ø§Ù„Ø¯Ø±Ø¬Ø§Øª Ø§Ù„Ø¬Ø§Ù…Ø¹ÙŠØ© Ø¨Ø§Ù„Ù…Ù…Ù„ÙƒØ© Ø§Ù„Ø¹Ø±Ø¨ÙŠØ© Ø§Ù„Ø³Ø¹ÙˆØ¯ÙŠØ©. Gezira Journal of Economic and Social Sciences. [Online] 2:2