[1] O. Salo and P. Abrahamsson, “Agile Methods in European Embedded Software Development Organizations: A Survey Study of Extreme Programming and Scrum,” IET Software, Vol. 2, No. 1, 2008, pp. 58-64. doi:10.1049/iet-sen:20070038
[2] Beck, et al., “Agile Manifesto,” 2001. http://www.agilemanifesto.org/
[3] L. Cao and B. Ramesh, “Agile Software Development: Ad Hoc Practices or Sound Principles?” IT Professional, Vol. 9, No. 2, 2007, pp. 41-47. doi:10.1109/MITP.2007.27
[4] T. Dyba and T. Dingsoyr, “Empirical Studies of Agile Software Development: A Systematic Review,” Informatics, Software Technology, Vol. 50, No. 9-10, 2008, pp. 833-859.
[5] C. Mann and F. Maurer, “A Case Study on the Impact of Scrum on Overtime and Customer Satisfaction,” Agile Development Conference, IEEE Computer Society, Washington DC, 2005, pp. 70-79
[6] S. Nerur, R. Mahapatra and G. Mangalara, “Challenges of Migrating to Agile Methodologies,” Communication of the ACM, Vol. 48, No. 5, 2005, pp. 72-78. doi:10.1145/1060710.1060712
[7] P. Abrahamsson, K. Conboy and X. Wang, “‘Lots Done, More to Do’: The Current State of Agile Systems Development Research,” European Journal of Information Systems, Vol. 18, No. 4, 2009, pp. 281-284. doi:10.1057/ejis.2009.27
[8] H. Svensson and M. Host, “Views from an Organization on How Agile Development Affects Its Collaboration with a Software Development Team,” Lecture Notes in Computer Science, Vol. 3547, 2005, pp. 48-501. doi:10.1007/11497455_38
[9] A. Sillitti, M. Ceschi, B. Russo and G. Succi, “Managing Uncertainty in Requirements: A Survey in Documentation-Driven and Agile Companies,” Proceedings of the 11th International Software Metrics Symposium, Como, 1 September 2005, p. 17. doi:10.1109/METRICS.2005.29
[10] T. Chow and D.-B. Cao, “A Survey Study of Critical Success Factors in Agile Software Projects,” The Journal of Systems and Software, Vol. 81, No. 6, 2008, pp. 961-971. doi:10.1016/j.jss.2007.08.020
[11] G. Lee and W. Xia, “Toward Agile an Integrated Analysis of Quantitative and Qualitative Field Data on Software Development Agility,” MIS Quarterly, Vol. 34 No. 1, 2010, pp. 87-114.
[12] A. Ahmed, S. Ahmad, Dr. N. Ehsan, E. Mirza and S. Z. Sarwar, “Agile Software Development: Impact on Productivity and Quality,” Proceedings of the 2010 IEEE ICMIT, Singapore, 2-5 June 2010, pp. 287-291.
[13] D. Rombach, “The Dilemma of Software Development,” Quality Connection, 2002.
[14] A. Sampaio, A. Vasconcelos, R. Pedro and F. Sampaio, “Assessing Agile Methods: An Empirical Study,” Journal of the Brazilian Computer Society, Vol. 10, No. 2, 2004, pp. 22-41. doi:10.1007/BF03192357
[15] P. Abrahamsson, O. Salo, J. Ronkainen and J. Warsta, “Agile Software Development Methods Review and Analysis,” VIT Publications, Finlandia, 2002.
[16] A. Cockburn, “Agile Software Development: The Cooperative Game,” 2nd Edition, Addison-Wesley Professional, Boston, 2006.
[17] R. Charette, “Fair Fight? Agile Versus Heavy Methodologies,” Agile Methodologies, the Great Debate, Cutter Consortium, Arlington, 2001.
[18] L. Cao, K. Mohan, P. Xu and B. Ramesh, “A Framework for Adapting Agile Development Methodologies,” European Journal of Information Systems, Vol. 18, 2009, pp. 332-343. doi:10.1057/ejis.2009.26
[19] J. Shore and S. Warden, “The Art of Agile Development,” O’Reilly Media, Sebastopol, 2007.
[20] P. Agerfalk and B. Fitzgerald, “Flexible and Distributed Software Processes: Old Petunias in New Bowls?” Communications of the ACM, Vol. 49, No. 10, 2006, pp. 27-34.
[21] A. Koscianski and M. S. Soares, “Qualidade de Software: Aprenda as Metodologias e Técnicas Mais Modernas Para o Desenvolvimento de Software,” 2nd Edition, Novatec Editora, S?o Paulo, 2007.
[22] K. Beck, “Extreme Programming Explained,” Addison-Wesley Professional, Boston, 1999.
[23] K. Beck and M. Fowler, “Planning Extreme Programming,” Addison-Wesley Professional, Boston, 2000.
[24] K. Schwaber and M. Beedle, “Agile Software Development with Scrum,” Prentice Hall, Sao Paulo, 2002.
[25] J. Highsmith, “Agile Software Development Ecosystems,” Addison-Wesley Pearson Education, Boston, 2002.
[26] S. R. Palmer and J. M. Felsing, “A Practical Guide to Feature-Driven Development (the Coad Series),” Prentice Hall PTR, S?o Paulo, 2002.
[27] J. Stapleton, “DSDM Dynamic Systems Development Method,” Addison-Wesley, Harlow, 1997.
[28] A. Cockburn, “Agile Software Development,” Addison-Wesley, Reading, 2002.
[29] K. Beck, “Test Driven Development: By Example,” Addison-Wesley Professional, Boston, 2002.
[30] Pmbok Guide, “Project Management Body of Knowledge (PMBOK Guide),” 4th Edition, Newtown Square, 2008.
[31] C. F. Kemerer, M. C. Paulk, “The Impact of Design and Code Reviews on Software Quality: An Empirical Study Based on PSP Data,” IEEE Transactions on Software Engineering, Vol. 35, No. 4, 2009, pp. 534-550. doi:10.1109/TSE.2009.27.
[32] P. Kotler, “Administracao de Marketing,” 10th Edition, Prentice Hall, Sao Paulo, 2000, p. 764.
[33] K. Schwaber, “Agile Project Management with Scrum,” Microsoft Press, Redmond, 2004.
[34] S. Biffl, A. Aurum, B. Boehm, H. Erdogmus and P. Grunbacher, “Value-Based Software Engineering,” Springer-Verlag, Berlin, 2006, p. 388. doi:10.1007/3-540-29263-2
[35] M. Huo, J. Verner, L. Zhu and M. Babar, “Software Quality and Agile Methods,” Proceedings of the 28th Annual International Computer Software and Applications Conference, IEEE Computer Society, Hong Kong, 2004, pp. 520.
[36] J. F. Hair, B. Black, B. Babin, R. E. Anderson and R. L. Tatham, “Análise Multivariada de Dados,” 6th Edition, Bookman, Porto Alegre, 2009, p. 688.
[37] R. A. Johnson and D. W. Wichern, “Applied Multivariate Statistical Analysis,” 6th Edition, Prentice Hall, Sao Paulo, 2007, p. 800.
[38] S. A. Mingoti, “Análise de Dados Através de Métodos de Estatística Multivariada: Uma Abordagem Aplicada,” Editora UFMG, Belo Horizonte, 2005.
[39] N. K. Malhotra, “Pesquisa de Marketing: Uma Orientacao Aplicada,” Editora Bookman, Porto Alegre, 2001.
[40] J. Maroco, “Análise Estatística com a Utilizacao do SPSS,” 3rd Edition, Silabo, Lisboa, 2007, p. 822.