Demyati، H. A.، و Visser، K. (2011). A Study Investigating the Reliability of Using Siliconcoach to Measure Popliteal Angle and the Relationship between Hamstring and Quadriceps Muscle Strength in Children with Cerebral Palsy (رسالة ماجستير غير منشورة). Cardiff University، كارديف. مسترجع من http://search.mandumah.com/Record/602428
Demyati، Hanan A.، و Karen Visser. "A Study Investigating the Reliability of Using Siliconcoach to Measure Popliteal Angle and the Relationship between Hamstring and Quadriceps Muscle Strength in Children With Cerebral Palsy" رسالة ماجستير. Cardiff University، كارديف، 2011. مسترجع من http://search.mandumah.com/Record/602428