Al Hilal، A. A.، Kubls، H. P.، و Jones، J. (2011). Obesity, Healthy Eating, Physical Activity, and Attitudes Towards Healthy Eating and Physical Activity in Saudi Students Compared with British Students (رسالة ماجستير غير منشورة). Bangor University، بانغور. مسترجع من http://search.mandumah.com/Record/605003
Al Hilal، Abd Alrahman، Hans Peter Kubls، و Jeremy Jones. "Obesity, Healthy Eating, Physical Activity, and Attitudes Towards Healthy Eating and Physical Activity in Saudi Students Compared With British Students" رسالة ماجستير. Bangor University، بانغور، 2011. مسترجع من http://search.mandumah.com/Record/605003