M. Petre, A. Van-der-hoek, and A. Baker, Editorial in Design Studies Special Issue Studying Professional Software Design http, pp.533-544, 2010.

C. Roast, E. Uruchurtu, and A. Dearden, The programming-like-analysis of an innovative media tool, Psychology of Programming Interest Group Annual Conference, 2011.

H. A. Simon, The Sciences of the Artificial, 1979.

M. Jackson, Representing structure in a software system design in Design Studies Special Issue Studying Professional Software Design DOI:10, pp.545-566, 2010.

V. Ramalingam and S. Wiedenbeck, An empirical study of novice program comprehension in the imperative and object-oriented styles In Papers presented at the seventh workshop on Empirical studies of programmers (ESP '97), 1997.

B. Khazaei and C. Roast, The influence of formal representation on solution specification in Requirements Engineering, pp.69-77, 2003.

T. R. Green and M. Petre, Usability Analysis of Visual Programming Environments: A ???Cognitive Dimensions??? Framework, Journal of Visual Languages & Computing, vol.7, issue.2, pp.131-174, 1996.
DOI : 10.1006/jvlc.1996.0009

T. R. Green, A. E. Blandford, L. Church, C. R. Roast, and S. Clarke, Cognitive dimensions: Achievements, new directions, and open questions, Journal of Visual Languages & Computing, vol.17, issue.4, pp.328-365, 2006.
DOI : 10.1016/j.jvlc.2006.04.004

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.128.3358

S. C. Clarke and . Becker, Using the cognitive dimensions framework to measure the usability of a class library, Proceedings of the First Joint Conference of EASE & PPIG, 2003.

E. Triffitt and B. Khazaei, A Study of Usability of Z Formalism Based on Cognitive Dimensions, Proceedings of the Fourteenth Annual Meeting of the Psychology of Programming Interest Group, pp.15-28, 2002.

D. G. Hendry and T. R. Green, Creating, comprehending and explaining spreadsheets: a cognitive interpretation of what discretionary users think of the spreadsheet model, International Journal of Human-Computer Studies, vol.40, issue.6, pp.40-1033, 1994.
DOI : 10.1006/ijhc.1994.1047

A. F. Blackwell, T. R. Green, and D. J. Nunn, Cognitive Dimensions and musical notation systems. Paper presented at ICMC, Workshop on Notation and Music Information Retrieval in the Computer Age, 2000.

T. R. Green and A. Blackwell, Cognitive Dimensions of Information Artefacts: a tutorial " Version 1