(3GdehGLgI GdLfGFjI dbQUfI GdHQGeL GdJdaRjhfjI GdeOahYI (B/s - (3Lejd YHOGdHGbj GdUZjQ s ((3GdbGgQI (B:s (3OGQ GdgVI GdYQHjI(B,s, 2011)
. 106-95(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdJTQjYGJ GdeJYdbI HJbfjI GdeYdheGJs; (3GQcGf GdLQjeIs; (3GdSdhc GdELQGejs; (3GdbUO GdLfGFj (B= (3GdYeOs