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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)
Linear policy models and quadric optimization
Condos, Apostolos, (1970)
Macroeconomic growth and development models of the Peruvian economy
Thorbecke, Erik, (1966)