(3GYdGe GdUfGY GdehGUdI jHMK Yf UfGYGJ GdehUd hGYdGe GdUfGY ajgG (B:s - (3GdOjhg Lj ,SYjOs ((3GdehUd (B:s (3eWHYI GdLeghQ ,s, 1970)
Keywords: (3GYde GdUfGY GdehGUdI s