1. Afonseca, J. (2012), “Idea management, an essential component for innovation”, Master thesis in integrated management systems (quality, environment and safety), Polytechnic Institute Cávado Ave.
2. Idea management - an essential component for achieving innovation and business excellence - an idea for changing Portugal,2017
3. Idea management in the innovation process;Network Intelligence Studies,2014
4. Identificação de fatores críticos que influenciam o desempenho de projetos de melhoria contínua,2007
5. How to kill creativity;Harvard Business Review,1998