(3GdEJaGbjGJ GdKbGajI aj GdeLGdjf GdYQHj h GdOhdj (B/s - (3MeGOj, GdSGMdjs ((3JhfS (B:s (3GdefXeI GdYQHjI ddJQHjI h GdKbGaI h GdYdhe ,s, 1989)
Keywords: (3GdOhd GdYQHjIs