@article{xavier_1997,  title={Investigating flexibility and information technology as key elements for competitive advantage},  volume={7},  ISSN={0103-6513},  url={https://doi.org/10.1590/S0103-65131997000200004},  DOI={10.1590/S0103-65131997000200004},  number={2},  journal={Production},  publisher={Associação Brasileira de Engenharia de Produção},  author={Xavier, Guilherme Guedes},  year={1997},  month={Dec},  pages={159–175} }