@article{muniz junior_martins_santos_wintersberger_2023,  title={The perspective of trade union leaders from the Brazilian metallurgical sector on Industry 4.0},  volume={30},  ISSN={0104-530X},  url={https://doi.org/10.1590/1806-9649-2022v29e5422},  DOI={10.1590/1806-9649-2022v29e5422},  journal={Gestão & Produção},  publisher={Universidade Federal de São Carlos},  author={Muniz Junior, Jorge and Martins, Fernando Ramalho and Santos, João Paulo de Oliveira and Wintersberger, Daniel},  year={2023},  pages={e5422} }