(3GdENJQGY (B/ s - (3HhGQjd, Qjfgs; (3GdYhG, YGOds ((3OeTb (B:s (3OGQ TeGd ddWHGYI h GdfTQ h GdJhRjY,s, 1992)
Keywords: (3GdENJQGYGJs; (3GdYdhes; (3GdJGQjNs