@article{maturana_herrera_2023,  title={GLOBAL PERFORMANCE EVALUATION BASED ON MULTIVARIABLE STATISTICAL CONTROL OF A PUBLIC UTILITY COMPANY},  volume={43},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2023.043.00270103},  DOI={10.1590/0101-7438.2023.043.00270103},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Maturana, Ana Gabriela Banquez and Herrera, Tomás José Fontalvo},  year={2023},  pages={e270103} }