Idrees، I.، Vasconcelos، A. C.، و Cox، A. (2011). Clique and Elite: Inter-Organisational Knowledge Sharing Across Five Star Hotels in the Saudi Arabian Religious Tourism and Hospitality Industry : A Grounded Theory Study (رسالة دكتوراه غير منشورة). University of Sheffield، شفيلد. مسترجع من http://search.mandumah.com/Record/611421
Idrees، Inaam، Ana Cristina Vasconcelos، و Andrew Cox. "Clique and Elite: Inter-Organisational Knowledge Sharing Across Five Star Hotels in the Saudi Arabian Religious Tourism and Hospitality Industry : A Grounded Theory Study" رسالة دكتوراه. University of Sheffield، شفيلد، 2011. مسترجع من http://search.mandumah.com/Record/611421