1. Seven (plus or minus two) Challenges for Requirements Research, Sixth International Workshop on Software Specification and Design;Potts,1991
2. Managing Expectations;Karten,1994
3. Programming As If People Mattered;Borenstein,1991
4. Requirements gathering: the human factor;Holtzblatt;Communications of the ACM,1995
5. Customer–Developer Links in software development;Keil;Communications of the ACM,1995