(3ef GdHfjI GdMedjI Edi GdHfjI GdechfjI (B:s (3GdhXjaI GdeaYhd aj GddZI GdYQHjI (B/s - (3GdeJhcd , CMeO s ((3GdOGQ GdHjVGA (B:s (3OGQ GdKbGaI ,s, 1987)
Keywords: (3GdHfjI s; (3GdHfjI s; (3GdMedjIs; (3GdechfjI s