(3CSdhH EUOGQ GeMceI GdOSJhQjI dEMcGegG (B/s - (3hgjH YjGO SdGeI s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1992)
. 62-56(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQjs