@article{fontalvo herrera_banquez maturana_fontalvo echávez_2024,  title={New multivariate capacity indicators with Six Sigma metrics to assess service quality},  volume={34},  ISSN={0103-6513},  url={https://doi.org/10.1590/0103-6513.20240052},  DOI={10.1590/0103-6513.20240052},  journal={Production},  publisher={Associação Brasileira de Engenharia de Produção},  author={Fontalvo Herrera, Tomás José and Banquez Maturana, Ana Gabriela and Fontalvo Echávez, Andrea Carolina},  year={2024},  pages={e20240052} }