@article{dib_2015,  title={Collaboration and learning},  volume={59},  ISSN={2359-3997},  url={https://doi.org/10.1590/2359-3997000000001},  DOI={10.1590/2359-3997000000001},  number={1},  journal={Archives of Endocrinology and Metabolism},  publisher={Sociedade Brasileira de Endocrinologia e Metabologia},  author={Dib, Sergio A.},  year={2015},  month={Feb},  pages={1–2} }