Khayar، S. S.، و Ashmore، M. (2007). Air Pollution in The Industrial City Of Jubail: Analysis Of The Behavior Of Gaseous Pollatants and Particulate Matter in an Industrial City In Saudi Arabia (رسالة دكتوراه غير منشورة). University of Bradford، برادفورد. مسترجع من http://search.mandumah.com/Record/687806
Khayar، Saleh Saeed، و Mike Ashmore. "Air Pollution in The Industrial City Of Jubail: Analysis Of The Behavior Of Gaseous Pollatants and Particulate Matter in an Industrial City In Saudi Arabia" رسالة دكتوراه. University of Bradford، برادفورد، 2007. مسترجع من http://search.mandumah.com/Record/687806