(3GdeSJLOGJ GdabgjI aj GdYdGbGJ GdOhdjI(B: (3OQGSI JCUjdjI ebGQfI heSGFd JWHjbjI eYGUQI (B/ s ((3YqeGf (B: s (3OGQ GdfaGFS ddfTQ hGdJhRjY , s, 2012)
Keywords: (3Gdabg hGdCMcGe GdTQYjIs