Khasawneh، O. (2015). Does Sovereign Rating Announcement Have Symmetrical Effect on Stock Market Returns: Case Study Amman Stock Exchange (ASE). مجلة البلقاء للبحوث والدراسات، مج18, ع1 ، 51 - 91. مسترجع من http://search.mandumah.com/Record/927076
Khasawneh، Ohoud. "Does Sovereign Rating Announcement Have Symmetrical Effect On Stock Market Returns: Case Study Amman Stock Exchange (ASE)." مجلة البلقاء للبحوث والدراسات مج18, ع1 (2015): 51 - 91. مسترجع من http://search.mandumah.com/Record/927076