References
- Geary , R. C. and Leser , C. E. V. “Significance Tests in Multiple Regression,” . American Statistician , Vol. XXII ( 1 ) 20 – 1 .
- Goldberger , Arthur S. 1968 . Topics in Regression Analysis , New York : The Macmillan Co. .
- Johnston , J. 1963 . Econometric Methods , New York : McGraw-Hill .