(3bVGA GdeTQhYjI (B:s (3OQGSI ebGQfI (B/s - (3YHO GdaJGM CHh Gddjds ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1998)
. 281-277 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajIs
Keywords: (3GdbVGA GdEOGQj hhXGFags; (3GdbGfhf GdEOGQjs