(3OhQ GdYeGFe ai JGQjN eUQ GdMOjK (B/ s - (3aJMi QVhGfs ([S.N] : (3GdRgQGA ddGYdGe GdYQHi , s, 1986)
Keywords: (3eUQs; (3GdJGQjNs; (3GdGOHGA GdeUQjhfs; (3GdUMajhf GdeUQjhfs; (3GdSjGSjhf GdeUQjhfs