(3bVGA GdJMcje aj efGRYGJ GdJLGQI GdOhdjI (B/s - (3YHO GdeLjO, efjQs ((3GdEScfOQjI, eUQ (B:s (3OGQ GdeWHhYGJ GdLGeYjI,s, 1995)
(3HHdjhLQGajI (B: (3U(B. 329-334.s
Keywords: (3GdJMcje GdJLGQjs; (3GdJLGQI GdNGQLjIs -- (3bhGfjf hJTQjYGJs; (3GdbGfhf GdOhdj GdJLGQjs