(3GdJhHjN h GdJfHjg (B/ s - (3CHh GdTjN, CHh eMeO YHO Gddg Hf eMeO Hf LYaQs; (3EHQGgje, eLOj GdSjOs ((3GdbGgQg (B:s (3ecJHI GdbQBf ddWHY h GdfTQ h GdJhRjY,s, 1988)
Keywords: (3GdESdGes; (3GdMOjKs