1. VersionOne. Annual state of agile development survey (2016)
2. Norman, D.A.: The Design of Everyday Things: Revised and Expanded Edition. Basic books, New York (2013)
3. Marques, A.B., Cavalcante, E., Luiz, R.: Aplicando design thinking para melhorar a qualidade de um aplicativo movel. In: Brazilian Symposium on Software Quality (2015)
4. Cohn, M.: User Stories Applied: For Agile Software Development. Addison-Wesley Professional, Boston (2004)
5. Pichler, R.: Agile Product Management with Scrum: Creating Products that Customers Love. Addison-Wesley Professional, Boston (2010)