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Notes on the theory of multiple regression analysis
Thomas, James J., (1964)
Business and economic forecasting : an econometric approach
Spencer, Milton H., (1961)
Business forecasting
Bratt, Elmer C., (1958)
Learning to improve : advertising research that guides practice
Stewart, David W., (2011)
What "advertising knowledge" comprises and how to get it
Rossiter, John R., (2011)
Tastes great but filling (then it could habe been)
Carlson, Les, (2011)