1. Rodríguez, P., Markkula, J., Oivo, M., Turula, K.: Survey on agile and lean usage in finnish software industry. In: Proceedings of the ACM-IEEE, ESEM 2012, pp. 139–148. ACM, New York (2012)
2. VersionOne: State of agile survey (2011),
http://versionone.com/pdf/2011_State_of_Agile_Development_Survey_Results.pdf
3. Ebert, C., Abrahamsson, P., Oza, N.V.: Lean software development. IEEE Software 29(5), 22–25 (2012)
4. Šmite, D., Moe, N., Ågerfalk, P.: Agility Across Time and Space: Implementing Agile Methods in Global Software Projects. Springer (2010)
5. Anderson, D.: Agile Management for Software Engineering: Applying the Theory of Constraints for Business Results. The Coad Series. Prentice Hall (2004)