(3GdXd GdCShO (B: s (3QhGjGJ ESdGejI eYGUQI (B/ s ((3OGQ GdfaGFS , s, 1984)
Keywords: (3GdQhGjI GdESdGejI; GdCOH GdYQHj GdMOjK; fLjH GdcjdGfjs