@article{benicio_mello_2019,  title={DIFFERENT TYPES OF RETURN TO SCALE IN DEA},  volume={39},  ISSN={0101-7438},  url={https://doi.org/10.1590/0101-7438.2019.039.02.0245},  DOI={10.1590/0101-7438.2019.039.02.0245},  number={2},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Benicio, Juliana and Mello, João Carlos Soares de},  year={2019},  month={May},  pages={245–260} }