1. Approximate is better than “exact” for interval estimation of binomial proportions;Agresti;The American Statistician,1998
2. Practical Statistics for Medical Research;Altman,1991
3. Baddoo, N., 2002. Motivators and de-motivators in software process improvement: an empirical study, in computer science. University of Hertfordshire, Hatfield
4. Beecham, S., Hall, T., Rainer, A., 2003a. Building a requirements process improvement model. Software Process: Improvement and Practice, in review
5. Beecham, S., Hall, T., Rainer, A., 2003b. Defining a requirements process improvement model. Software Quality Journal, in review