1. and , ‘Research on earnings forecasts: the state of the art’, The Accounting Journal, March (1977).
2. ‘Modeling and forecasting seasonal time series of product sales across territories: a comparative study’, Ph.D. Thesis, The University of Iowa, 1978, p. 12.
3. A Study of Economists' Consensus Forecasts
4. ‘Sales forecasting: an analysis of the accuracy of various time series forecasting techniques in selected consumer products, Ph.D. Thesis, Texas A & M University, 1978.