Appraising an econometric forecasting model / Christine A. Witt, Stephen F. Witt
Forecasting international tourist flows / Christine A. Witt, Stephen F. Witt, Nick Wilson
Tourism forecasting: accuracy comparisons across aggregated/disaggregated data / by Christine A. Witt and Stephen F. Witt
Econometric forecasts : tourism trends to 2000 / Egon Smeral, Stephen F. Witt, Christine A. Witt