@article{gomes_2005,  title={Using MCDA methods THOR in an application for outranking the ballast water management options},  volume={25},  ISSN={0101-7438},  url={https://doi.org/10.1590/S0101-74382005000100002},  DOI={10.1590/S0101-74382005000100002},  number={1},  journal={Pesquisa Operacional},  publisher={Sociedade Brasileira de Pesquisa Operacional},  author={Gomes, Carlos Francisco Simões},  year={2005},  month={Jan},  pages={11–28} }