(3Mb GdeJge aj eMGceI SQjYI (B/s (3O (B. (3ZfGe eMeO ZfGe GSJGR GdbGfhf GdLfGFi GdeSGYO(B.s - (3ZfGe eMeO ZfGe s ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1993)
170-175(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3jTed Ydj GQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbGfhf GdLfGFj s