(3TQM bGfhf GdCMcGe GdYScQjI (B/s - (3GdOShbj, YRJ eUWais ((3GdbGgQI (B:s (3ecJHI GdfgVI GdeUQjI,s, 1991)
(3eL(B. 1. (3bGfhf GdYbhHGJ(B--(3eL(B. 2. (3bGfhf GdELQGAGJ(B.s
(3jTJed Ydi HHdjhLQGajGJ(B.s
Keywords: (3GdbGfhf GdYScQjs -- (3eUQs; (3bGfhf GdYbhHGJ GdYScQjs -- (3eUQs