(3GdeMceI GdLfGFjI GdOhdjI GdOGFeI (B: s (3OQGSI ddfXGe GdCSGSj ddeMceI h ddLQGFe GdJj JNJU GdeMceI HGdfXQ ajgG (B/ s - (3CHh GdNjQ CMeO YWjIs (b, 1999)
. 271-263 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdbGfhf GdLfGFj GdOhdjs; (3GdbGfhf GdOhdj GdYGes