Abraheem، S. K. S. (2018). Measuring Management Performance in Educational Organizations in Sudan Based on the "Efqm" Excellence Model: Conceptual Framework. مجلة إدارة الجودة الشاملة، مج19, ع2 ، 31 - 40. مسترجع من http://search.mandumah.com/Record/1020832
Abraheem، Shaker Khairallh Saleh. "Measuring Management Performance in Educational Organizations in Sudan Based On the "Efqm" Excellence Model: Conceptual Framework." مجلة إدارة الجودة الشاملة مج19, ع2 (2018): 31 - 40. مسترجع من http://search.mandumah.com/Record/1020832