@article{lima_vieira_aud_batista_de morais_faria_assunção_pasquini_2021,  title={Esterification of oleic acid employing sulfonated polystyrene and polysulfone membranes as catalysts},  volume={31},  ISSN={0104-1428},  url={https://doi.org/10.1590/0104-1428.20210067},  DOI={10.1590/0104-1428.20210067},  number={3},  journal={Polímeros},  publisher={Associação Brasileira de Polímeros},  author={Lima, Ana Paula de and Vieira, Andressa Tirone and Aud, Bárbara Nascimento and Batista, Antonio Carlos Ferreira and de Morais, Luís Carlos and Faria, Anízio Márcio de and Assunção, Rosana Maria Nascimento de and Pasquini, Daniel},  year={2021},  pages={e2021027} }