Barhameen، A. Y.، و Newton، R. (2004). Predictive Models for Fear of Falling among Inner City Minority Community- Dwelling Older Adults: Comparison between Two Instruments (رسالة دكتوراه غير منشورة). Temple University، فلادلفيا. مسترجع من http://search.mandumah.com/Record/619797
Barhameen، Ahmed Y.، و Roberta Newton. "Predictive Models for Fear of Falling Among Inner City Minority Community- Dwelling Older Adults: Comparison between Two Instruments" رسالة دكتوراه. Temple University، فلادلفيا، 2004. مسترجع من http://search.mandumah.com/Record/619797