(3cdGe GdYQH ef bVGjG GddZI GdYQHjI (B/ s - (3MSf XGXGs ([S.N] : (3OGQ Gdbde ddJQGK , s, 1990)
Keywords: (3GdGUhGJ GddZhjIs; (3GddZI GdYQHjIs; (3GdaGXs; (3GdcdeGJ GdONjdIs