(3GdGNJUGU HGdaUd aj UMI YVhjI CYVGA eLdS GdTYH (B/s - (3GdYHhOj, eMSf eMeOs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1990)
Keywords: (3GdbGfhf GdOSJhQjs -- (3eUQs; (3GdGfJNGHGJs -- (3bhGfjf hJTQjYGJs -- (3eUQs