Maghraby، A. N. (2019). Mediation to Solve Dispute and Business Instructions for Delivery of Oil: A 2nd / 8th C.E. Letter from Edfu. مجلة كلية السياحة والفنادق، مج3, ع2 ، 60 - 68. مسترجع من http://search.mandumah.com/Record/1033502
Maghraby، Ahmed Nabil. "Mediation to Solve Dispute and Business Instructions for Delivery of Oil: A 2nd / 8th C.E. Letter From Edfu." مجلة كلية السياحة والفنادق مج3, ع2 (2019): 60 - 68. مسترجع من http://search.mandumah.com/Record/1033502