CHEN, Y.; QIAN, J.; WANG, J.; XIA, L.; ZAHAVI, G. OPRA: An Open-Source Online Preference Reporting and Aggregation System. Proceedings of the AAAI Conference on Artificial Intelligence, [S. l.], v. 35, n. 18, p. 16011-16013, 2021. DOI: 10.1609/aaai.v35i18.17996. Disponível em: https://ojs.aaai.org/index.php/AAAI/article/view/17996. Acesso em: 26 nov. 2022.