Al Olah، T.، و Stewart، R. (2009). DEVELOPMENT OF AN OPERATIONAL SAFETY SYSTEM AND MEASURES FOR SCHOOL BUILDINGS IN THE KINGDOM OF SAUDI ARABIA (رسالة ماجستير غير منشورة). Griffith University، بريسبان. مسترجع من http://search.mandumah.com/Record/751290
Al Olah، Turky، و Rodney Stewart. "DEVELOPMENT OF AN OPERATIONAL SAFETY SYSTEM AND MEASURES FOR SCHOOL BUILDINGS IN THE KINGDOM OF SAUDI ARABIA" رسالة ماجستير. Griffith University، بريسبان، 2009. مسترجع من http://search.mandumah.com/Record/751290