1. GTE advertisement. How we're helping create the electronic hospital. Wall Street Journal September 19 1979 p. 15.
2. Nie N.H. Hull C.H. Jenkins J.G. Steinbrenner K.S. & Bent D.H. (1975). SPSS: Statistical Package for the Social Sciences. New York: MeGraw-Hill Book Co.
3. Shermsn J.A. (1978). Sex-Related Cognitive Differences: An Essay on Theory and Evidence. Springfield IL: Charles C. Thomas Publisher.
4. Veldman D.J. (1978). The Prime System: Computer Programs for Statistical Analysis. Austin TX: The Research and Development Center for Teacher Education The University of Texas at Austin.
5. Ward M. J & Fetler M.E. (1979). Instruments for Use in Nursing Education Research. Boulder CO: Western Interstate Commission for Higher Education.