@article{brossard perez_cortez_mesa_bezzon_olivares gómez_2001,  title={THE STRATEGY OF EMPIRICAL RESEARCH AND OPTIMIZATION PROCESS},  volume={21},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382001000100006},  DOI={10.1590/S0101-74382001000100006},  number={1},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Brossard Perez, L.E. and Cortez, L.A.B. and Mesa, J. and Bezzon, G. and Olivares Gómez, E.},  year={2001},  month={Jun},  pages={89–105} }