(3eQhL GdPgH heYGOf GdLhgQ (B- (3GdLRA GdChds - (3GdeSYhOj(B. (3CHj GdMSf Ydj Hf GdMSjf Hf Ydjs ((3OGQ GdcJH GdYdejIs (3HjQhJs, 1986)
(3TQMg hbOe dg eajO eMeO bejMIs
Keywords: (3LZQGajG (B- (3JGQjN s; (3GdQMdGJ (B- (3hUa s