(3GdfXGe GdVQjHj GdeUQj (B: s (3GdVQGFH GdeHGTQI (B: s (3GdLRA GdGhd (B/ s - (3GdSjO YHO Gdehdjs ((3GdbGgQI (B: s (3OGQ GdfgVI GdYQHjI ; eWHYI LGeYI GdbGgQI h GdcJGH GdLGeYj s, 1990)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdVQGFH s; (3EbJUGO s; (3GdVQGFH GdeHGTQI s; (3GdVQGFH aj eUQs