Kheder، N.، و Cogo، A. (2009). Whether the Media or Interpersonal Relationships are More Important in Influencing the Formation of Public Opinion, with Special Reference to Saudi Arabia (رسالة ماجستير غير منشورة). University of Surrey، غلدفورد. مسترجع من http://search.mandumah.com/Record/686151
Kheder، Nouf، و Alessia Cogo. "Whether the Media or Interpersonal Relationships Are More Important in Influencing the Formation of Public Opinion, With Special Reference to Saudi Arabia" رسالة ماجستير. University of Surrey، غلدفورد، 2009. مسترجع من http://search.mandumah.com/Record/686151