(3GdMeGjI GdOhdjI ddeeJdcGJ GdKbGajI aj aJQGJ GdfRGY GdeSdM (B/ s - (3eMeO SGeM YeQhs ((3GdbGgQI(B:s (3GdeQcR GdCUjd ddWHY h GdfTQ h GdJhRjY,s, 2003)
. 271-257(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdfRGYGJ h GdUQGYGJ Hjf GdOhds; (3GdbGfhf GdOhdj GdYGes