RT - Journal Article T1 - Theory of Performance: The Viewpoint of Hossein's Va'ez Kashefi JF - golhon YR - 2006 JO - golhon VO - 2 IS - 3 UR - http://golestanehonar.ir/article-1-65-fa.html SP - 17 EP - 26 AB - LA eng UL http://golestanehonar.ir/article-1-65-fa.html M3 ER -