T. Da-silva, A. Martin, F. Maurer, and M. Silveira, User-Centered Design and Agile Methods: A Systematic Review, 2011 AGILE Conference, 2011.
DOI : 10.1109/AGILE.2011.24

K. M. Eisenhardt, Building theories from case study research, Academy of Management Review, vol.14, issue.4, pp.532-550, 1989.

P. Hodgetts, Experiences integrating sophisticated UX design into agile process, Proc. AGILE 2005 Conference
DOI : 10.1109/adc.2005.24
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.545.9283

J. Highsmith and A. Cockburn, Agile software development: the business of innovation, Computer, vol.34, issue.9, pp.120-127, 2001.
DOI : 10.1109/2.947100

K. Kuusinen, T. Mikkonen, and S. Pakarinen, Agile user experience development in a large software organization: good expertise but limited impact. Human-Centered Software Engineering, pp.94-111, 2012.

M. U. Singh and . Scrum, An Agile Methodology for Promoting Usability, Proc. of AGILE '08, pp.555-560, 2008.