@article{pinto_2009,  title={
       },  volume={6},  ISSN={1807-1775},  url={https://doi.org/10.4301/S1807-17752009000100006},  DOI={10.4301/S1807-17752009000100006},  number={1},  journal={JISTEM - Journal of Information Systems and Technology Management},  publisher={TECSI Laboratório de Tecnologia e Sistemas de Informação - FEA/USP},  author={Pinto, Nuno Gama de Oliveira},  year={2009},  pages={111–115} }