(3JLQje ZSjd GdCehGd aj GdJTQjYGJ GdebGQfI (B/s - (3TeS GdOjf, CTQa Jhajbs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 2001)
Keywords: (3ZSjd GdCehGds -- (3bhGfjf hJTQjYGJ s