(3OhQ GdfbGHGJ aj GdMjGI GdOSJhQjI (B:s (3OQGSI GdebGQfI (B/s - (3YHOGddg Mfaj s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 1998)
. 891-860 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQj s