Jasem، B. A. (2017). The Enneagram Syystem's Thinking Center Personality Patterns among Students of the University of Sharjah. العلوم التربوية، مج25, ع3 ، 2 - 42. مسترجع من http://search.mandumah.com/Record/883173
Jasem، Bushra Ahmed. "The Enneagram Syystem's Thinking Center Personality Patterns Among Students of the University of Sharjah." العلوم التربوية مج25, ع3 (2017): 2 - 42. مسترجع من http://search.mandumah.com/Record/883173