1. Olson, P.: Get Ready for the Chat Bot Revolution: They’re Simple, Cheap and About to be Everywhere. Forbes (2016). http://www.forbes.com/sites/parmyolson/2016/02/23/chat-bots-facebook-telegram-wechat/ . Accessed 19 Aug 2016
2. Nieveen, N., Mckenney, S., Van Den Akker, J.: Educational design research: the value of variety. In: Van Den Akker, J., et al. (eds.) Educational Design Research: The Design, Development and Evaluation of Programs, Processes and Products. Paperback, New York (2006)
3. Zimmerman, J., Forlizzi, J., Evenson, S.: Research through design as a method for interaction design research in HCI. ACM (2007)
4. SPC (2015). https://www.spcbrasil.org.br/imprensa/pesquisas
5. Kahneman, D., Tversky, A.: Prospect theory: an analysis of decision under risk. Econometrica: J. Econom. Soc. 263–291 (1979)