(3SYQ GdUQa(B.s (3Hjf GdfXQjI hGdJWHjb (B/s - (3GHQGgje eMeO GdaGQs ((3GdbGgQI(B:s (3OGQ GdfgVI GdYQHjI(B,s, 1992)
(3GdfU HGddZI GdYQHjIs
Keywords: (3UfOhb GdfbO GdOhdjs