(3NhGU hGNJHGQGJ ebGheI GdehGO GdeYOfjI (B/ s - (3eUWai GdSjO TMGJI (B\\=a(3GMeO eMeO OjGH(Bvs ([S.N] : (3OGQ GdQGJH GdLGeYjIs)
Keywords: (3GdeYGOfs; (3ehGUaGJs