يوسف منصور حسين; سندس موسى جواد
(جامعة ديالى / كلية التربية البدنية وعلوم الرياضة, 2010)
The concern for an important role in the achievement and the result can be obtained, and it is a double-edged sword can either be a negative impact, it was concerned with disabilities and can be either positive influence ...