Khalaf، M. A.، و Al Alami، M. W. (2007). The Relationship Between Cost and Rates of Return In The Jordanian Insurance Companies And Comparing these Companies Rates With The International Standard Rates (رسالة ماجستير غير منشورة). جامعة عمان العربية، عمان. مسترجع من http://search.mandumah.com/Record/635696
Khalaf، Marwa A.، و Mohammed Waheeb Al Alami. "The Relationship Between Cost and Rates of Return In The Jordanian Insurance Companies And Comparing These Companies Rates With The International Standard Rates" رسالة ماجستير. جامعة عمان العربية، عمان، 2007. مسترجع من http://search.mandumah.com/Record/635696