(3GdfHGJGJ GdWHjI h ESJYeGdGJgG (B/ s - (3GdYhOGJ, eMeOs; (3dMGe, LhQLs ((3OeTb (B:s (3GdCgGdj ddWHGYI h GdfTQ h GdJhRjY,s, 1988)
Keywords: (3GdfHGJGJ GdWHjIs; (3GdWH GdTYHjs