public static String permissionName(int Permission){
        switch(Permission){
            case ADMINISTRATIVE_PERSONNEL:
                return "Personal Administrativo";
                case PROFESSOR:
                return "Profesor";
                    case SYSTEM_ADMIN:
                return "Administrador del Sistema";
                        case EXTRA_FLAG:
                return "EXTRA FLAG";
                            default:
                return "PERMISO INVALIDO";
        }
    }