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Econometric models and methods
Christ, Carl F., (1966)
Econometrics
Chow, Gregory C., (1983)
Maddala, Gangadharrao S., (1977)
Introductory statistics
Wonnacott, Thomas H., (1985)
Introductory statistics for business and economics : Thomas H. Wonnacott, Ronald J[ohnston] Wonnacott
Wonnacott, Thomas H., (1972)
Wonnacott, Ronald J., (1979)