Al-Said، H. A. F. (2017). The Influences, of Government Fiscal Policy, on Hotel’s Occupancy Average Rates "2008-2013" in Khartoum. مجلة دراسات حوض النيل، مج10, ع20 ، 48 - 62. مسترجع من http://search.mandumah.com/Record/906194
Al-Said، Hashim Awad Fadl. "The Influences, of Government Fiscal Policy, On Hotel’s Occupancy Average Rates "2008-2013" in Khartoum." مجلة دراسات حوض النيل مج10, ع20 (2017): 48 - 62. مسترجع من http://search.mandumah.com/Record/906194