(3THg GdYbO aj GdbGfhf GdEOGQj (B/s - (3YHO GdQDDa gGTe eMeO HSjhfj s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 2004)
. 252-243(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdEOGQjs