(3cJGH LjH GMUGFj dLeghQjI CdeGfjG GdOjebQGWjI (B1985 /s - (3GdGOGQI GdeQcRjI GdMchejI ddGMUGAs ((3HQdjf (B:s (3OGQ GdfTQ GdMchejI ,s, 1985)
Keywords: (3GdGbJUGO GdTYHj s; (3GdScGf s; (3GdGQGVj s