(3QMdGJ (B/ s - (3GdLGSQ, MeOs ((3GdQjGV (B:s (3GdLeYjg GdYQjHg GdSYhOjg ddKbGag h Gdafhf,s, 1980)
Keywords: (3GdSjGMgs; (3GdQMdGJ GdCSaGQs