@article{teixeira_pereira_2011,  title={Public Attitudes towards Parties in Portugal: A Longitudinal Overview},  volume={5},  ISSN={1981-3821},  url={https://doi.org/10.1590/1981-3883201100010005},  DOI={10.1590/1981-3883201100010005},  number={1},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Teixeira, Conceição Pequito and Pereira, Paulo Almeida},  year={2011},  pages={105–128} }