(3SYQ GdUQa (B:s (3Hjf GdfXQjI hGdJWHjb (B/s - (3GHQGgje eMeO GdaGQs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1992)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs