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Econometric methods
Johnston, John, (1972)
Multivariate statistical methods in behavioral research
Bock, Richard Darrell, (1975)
Statistical treatment of experimental data
Young, Hugh D., (1962)
Probability and statistics : essays in honor of Franklin A. Graybill
Srivastava, Jaya N., (1988)
Introduction to the theory of statistics
Mood, Alexander Mac Farlane, (1963)
An introduction to linear statistical models ; Vol. 1
Graybill, Franklin A., (1961)