(3GdeJhGdjGJ (B: (3OQGSGJ aj GdJUha (B/ s - (3RjOGf, jhSas ((3GdbGgQI (B:s (3GdOGQ GdeUQjI GddHfGfjI,s, 1998)
Keywords: (3GdESdGes; (3GdJUha GdESdGejs; (3GdUhajhfs; (3GdWQGFb GdUhajIs