(3GdeUGOQ GdeQLYjI GdeJNUUg (B/ s - (3YHO GdgGOj, eMeO aJMjs; (3eUWai, fYeGJ CMeOs; (3eMehO, CSGeg GdSjOs ((3GdbGgQg (B:s (3GdecJHI GdGcGOjejI,s, 1991)
Keywords: (3GdehGO GdeQLYjIs; (3ESJNOGe GdeQGLYs