(3GdebGheI GdGSdGejI ai ehGLgI GdYOhGf GdUdjHi Ydi JhfS (B/ s - (3aGjR fLjH GScfOQs ([S.N] : (3eWHYI GdLHdGhi , s, 1987)
Keywords: (3GdYGde GdYQHis; (3JGQjNs; (3JhfSs; (3GdMQhH GdUdjHjIs