1. T Dybå, T Dingsøyr, Empirical studies of agile software development: a systematic review. Inf Softw Technol. 50(9-10), 833–859 (2008). doi:
10.1016/j.infsof.2008.01.006
.
2. P Rodríguez, J Markkula, M Oivo, K Turula, in Proceedings of the ACM-IEEE International Symposium on Empirical Software Engineering and Measurement. ESEM ’12. Survey on agile and lean usage in Finnish software industry (ACMNew York, NY, USA, 2012), pp. 139–148. doi:10.1145/2372251.2372275.
http://doi.acm.org/10.1145/2372251.2372275
.
3. VersionOne, The 8th Annual State of Agile Development Survey (2013).
http://www.versionone.com/pdf/2013-state-of-agile-survey.pdf
. Accessed 20 June 2016.
4. K Beck, M Beedle, A van Bennekum, A Cockburn, W Cunningham, M Fowler, J Grenning, J Highsmith, A Hunt, R Jeffries, J Kern, B Marick, RC Martin, S Mellor, K Schwaber, J Sutherland, D Thomas, Manifesto for Agile Software Development.
http://www.agilemanifesto.org/
. Accessed: August 18, 2015.
5. K Schwaber, M Beedle, Agile Software Development with Scrum, 1st edn (Prentice Hall PTR, Upper Saddle River, NJ, USA, 2001).