(3GdeMjW aj GdfXe GdSjGSjI h GdbGfhf GdOSJhQj (B/s - (3UdGM GdOjf ahRj s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI (B,s, 2000)
(3jTJed Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU CZdHg HGddZI GdYQHjI HYV GdfUhU GdEfLdjRjI hGdaQfSjIs
Keywords: (3GdbGfhf GdOSJhQjs