@article{lima_2011,  title={Collaborative tasks and learning occasions in English as a foreign language},  volume={11},  ISSN={1984-6398},  url={https://doi.org/10.1590/S1984-63982011000400003},  DOI={10.1590/S1984-63982011000400003},  number={4},  journal={Revista Brasileira de Linguística Aplicada},  publisher={Faculdade de Letras - Universidade Federal de Minas Gerais},  author={Lima, Marília dos Santos},  year={2011},  pages={837–852} }