(3GdMQH GdfaSjI (B: s (3eYQcI GdcdeI GdeYJbO (B/ s - (3fUQ , UdGM s (( (3O (B. (3e (B) : s ((3O (B. (3f(B) (3, s, 1967)
Keywords: (3GdMQH s -- (3GdLhGfH GdfaSjI s