Souza, Alan, João V. V. B. Freitas, Amauri M. Cunha, and Maria Campos.
" A Process Modeling Method for Investigating Problems in Information Systems: Application in a Medical Regulation Center." <em>Proceedings of the 5th Brazilian Symposium on Information Systems,
Brasília, 2009</em>. SBC, 2009,  
pp.216-227.