@article{pergher_vaccaro_2014,  title={Work in process level definition: a method based on computer simulation and electre tri},  volume={24},  ISSN={0103-6513},  url={https://doi.org/10.1590/S0103-65132013005000067},  DOI={10.1590/S0103-65132013005000067},  number={3},  journal={Production},  publisher={Associação Brasileira de Engenharia de Produção},  author={Pergher, Isaac and Vaccaro, Guilherme Luís Roehe},  year={2014},  month={Jul},  pages={536–547} }