(3GdJQGK h GdJLOjO aj TYQ GdSjGH (B:s (3OQGSI JMdjdjI LeGdjI aj chGQOg UhQg ehSjbGg h dZJg (B/s - (3MTdGa , YKeGf s ((3GdLRGFQ (B:s (3OjhGf GdeWHhYGJ GdLGeYjI ,s, 1986)
Keywords: (3GdJLOjO s; (3GdSjGH s; (3TYQs; (3GdJQGK s