@article{villa_viana_2010,  title={Security issues during Lula's administration: from the reactive to the assertive approach},  volume={53},  ISSN={0034-7329},  url={https://doi.org/10.1590/S0034-73292010000300006},  DOI={10.1590/S0034-73292010000300006},  number={spe},  journal={Revista Brasileira de Política Internacional},  publisher={Centro de Estudos Globais da Universidade de Brasília},  author={Villa, Rafael Antonio Duarte and Viana, Manuela Trindade},  year={2010},  month={Dec},  pages={91–114} }