External Links

    Journal: Information \& Software Technology

    Volume 47, Issue 14

    891 -- 902Karl Cox, Jon G. Hall, Lucia Rapanotti. A roadmap of problem frames research
    903 -- 912Michael Jackson. Problem frames and software engineering
    913 -- 927Maria Augusta V. Nelson, Torsten Nelson, Paulo S. C. Alencar, Donald D. Cowan. An approach to formal automated analysis of problem-frame concerns
    929 -- 954. A UML-based approach for problem frame oriented software development
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