@article{campos_lopes_castro_santos_souza_2023, title={Econometric model of iron ore through principal component analysis and multiple linear regression}, volume={95}, ISSN={0001-3765}, url={https://doi.org/10.1590/0001-3765202320211422}, DOI={10.1590/0001-3765202320211422}, number={1}, journal={Anais da Academia Brasileira de Ciências}, publisher={Academia Brasileira de Ciências}, author={CAMPOS, BÁRBARA ISABELA DA SILVA and LOPES, GISELE C.A. and CASTRO, PHILIPE S.C. DE and SANTOS, TATIANA B. DOS and SOUZA, FELIPE R.}, year={2023}, pages={e20211422} }