@article{alencar_almeida_2008,  title={Multicriteria decision group model for the selection of suppliers},  volume={28},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382008000200009},  DOI={10.1590/S0101-74382008000200009},  number={2},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Alencar, Luciana Hazin and Almeida, Adiel Teixeira de},  year={2008},  month={May},  pages={321–337} }