ADDITIONAL REFERENCES
- Connors , E. A. 1989 . “Report on the 1989 Survey of New Doctorates,” . Notices of the American Mathematical Society , 36 : 1155 – 1160 .
- Nisbett , R. E. , Fong , G. T. , Lehman , D. R. and Cheng , P. W. 1987 . “Teaching Reasoning,” . Science , 238 : 625 – 631 .