(3eTGQWGJ EjLGQ GdSaf (B:s (3OQGSI YedjI bGfhfjI dCge GdTGQWGJ hGdbGfhf GdeUQj (B... /s - (3YhV, Ydj LeGd GdOjfs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1987)
(3HHdjhLQGajI (B: (3U(B. 605-606.s
Keywords: (3GdbGfhf GdHMQjs -- (3eUQs; (3GdSafs -- (3bhGfjf hJTQjYGJs -- (3eUQs