@article{ferrão_prata_alves_2020,  title={Multiple imputation in big identifiable data for educational research: An example from the Brazilian education assessment system },  volume={28},  ISSN={0104-4036},  url={https://doi.org/10.1590/S0104-40362020002802346},  DOI={10.1590/S0104-40362020002802346},  number={108},  journal={Ensaio: Avaliação e Políticas Públicas em Educação},  publisher={Fundação CESGRANRIO},  author={Ferrão, Maria Eugénia and Prata, Paula and Alves, Maria Teresa Gonzaga},  year={2020},  month={Jul},  pages={599–621} }