(3eHGOF GdbGfhf GdLfGFj GdOhdj (B/s - (3CTQa Jhajb TeS GdOjfs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1999)
. 291-285 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFj GdOhdjs; (3CSHGH GdEHGMIs; (3CQcGf GdLQjeIs