Al Sarheed، L. (2013). Determinants of firms’ profitability during financial crisis: A critical analysis of publicly listed Saudi Arabian manufacturing firms during the period between 2009 and 2011 (رسالة ماجستير غير منشورة). University of Westminster، لندن. مسترجع من http://search.mandumah.com/Record/752184
Al Sarheed، Lara. "Determinants of Firms’ Profitability During Financial Crisis: A Critical Analysis of Publicly Listed Saudi Arabian Manufacturing Firms During the Period between 2009 and 2011" رسالة ماجستير. University of Westminster، لندن، 2013. مسترجع من http://search.mandumah.com/Record/752184